This page covers O*NET 43-9051.00 Mail Clerks and Mail Machine Operators, Except Postal Service: preparing incoming and outgoing mail for distribution, timestamping, opening, sorting, and distributing incoming items, addressing, sealing, applying postage, folding, inserting, and metering outgoing mail or packages, and potentially keeping records and completing forms.
The following assessments concern incoming and outgoing mail processing by mail clerks and mail machine operators. They do not predict hiring, qualifications, authorization, or contract outcomes.
The core work of mail clerks and mail machine operators is to process incoming and outgoing mail and packages accurately under procedures: open and timestamp incoming mail, read, classify, and distribute it, address, fold, insert, seal, apply postage to, and bundle outgoing mail and packages, determine postage using scales and rate charts, operate and adjust feeding, addressing, stamping, and bundling mail machines, add ink and replace ribbons, handle and transfer mail containers, check addresses and postage, clear jams, deliver packages to customers, and answer mailing policy questions.
This page covers O*NET 43-9051.00 Mail Clerks and Mail Machine Operators, Except Postal Service: preparing incoming and outgoing mail for distribution, timestamping, opening, reading, sorting, and distributing incoming mail, addressing, sealing, stamping, folding, inserting, and applying postage to outgoing mail or packages, and keeping necessary records and completing forms. Work includes weighing and checking rates, operating and adjusting mail machines, handling and transferring mail containers, checking addresses and postage, answering mailing policy questions, and delivering packages. Work mainly takes place in office mailrooms and processing facilities. This page excludes adjacent roles such as postal service workers, couriers, and file and order clerks.
Boundaries of AI impact on mail clerks and mail machine operators
Editorial task hypothesis: distinguish address rules, fixed postage calculations, and mail machinery control from generative AI. The latter may organize fictional abnormality record drafts; no adoption rates or job outcomes were obtained for this occupation. Addresses / charges, mail privacy, and machine safety require verification. Generated text does not directly control machinery or confer troubleshooting authority.
Insufficient evidence: this round did not obtain a precise national occupational wage median for mail clerks and mail machine operators in mainland China. This occupation excludes the postal system and cannot be assigned mainly to transportation, storage, and postal services solely because of its mail-related title. Related clerical job averages are broad references only.
Based on mail receipt and dispatch, recordkeeping, and administrative support tasks, a reference is the National Bureau of Statistics 2025 average annual wage of 94,936 yuan for clerical and related personnel in enterprises above designated size nationwide. All positions within the same statistical coverage averaged 106,080 yuan per year. Both are pretax averages for broad job groups, not this occupation's median, starting pay, or individual take-home income, and do not cover all small enterprises or individual businesses.
US pay and employment scope for mail clerks and mail machine operators: occupation 43-9051.00
US national annual pay for 43-9051.00 in 2025 at the 10th/25th/50th/75th/90th percentiles was 30,780/35,470/39,280/46,450/54,820 dollars, with hourly pay of 14.80/17.05/18.89/22.33/26.36 dollars. National percentiles are not starting pay, seniority grades, or take-home income. Employment figures on this page retain the historical 2024–2034 version; current O*NET has changed to 2025–2035, while older protected shared facts remain unsynchronized.
Fit signals: start with observable work behavior
To assess fit, first consider whether you can keep addresses and postage accurate under batch volume and deadline pressure, patiently repeat operations and check details, operate and adjust mail machines under procedures, protect mail contents and customer information, and take responsibility for accuracy and records. Tools such as RIASEC can only suggest hypotheses and cannot replace real task experience.
Repetitive operation and strain risks
Mail machine operation risks
Address and postage error risks
Entry paths and stages of capability
US O*NET places this occupation in Job Zone 1–2. The group's training range of a few days to one year is not a uniform training duration for this occupation. Its education survey lists job requirements including high school or equivalent, below high school, and two-year degrees. Check employer postings for specific thresholds.
Market signals and transition directions
O*NET cites BLS data showing about 67,400 workers in this occupation in 2024, projected decline of -1% or lower during 2024–2034, and about 6,900 openings during that period. These are occupational statistics, not individual hiring probabilities, and differ from recruitment samples.
This page covers O*NET 43-9051.00 Mail Clerks and Mail Machine Operators, Except Postal Service: preparing incoming and outgoing mail for distribution, timestamping, opening, reading, sorting, and distributing incoming mail, addressing, sealing, stamping, folding, inserting, and applying postage to outgoing mail or packages, and keeping records and completing forms. Work includes weighing and checking rates, operating and adjusting mail machines, handling and transferring containers, checking addresses and postage, answering mailing policy questions, and delivering packages. Work mainly takes place in office mailrooms and processing facilities. The role differs from postal service workers, couriers, and file and order clerks.
Couriers and messengers collect and deliver door to door; postal service mail carriers handle postal system delivery and routes; data entry workers enter data; general office clerks handle administrative and clerical matters. Mail clerks and mail machine operators process incoming and outgoing mail and packages and operate mail machines within organizations. Compare work objects, processes, and responsibility scopes to distinguish the roles.
Entirely fictional task package: provide a fictional incoming and outgoing mail list, including 1 incoming mail item for distribution, 1 set of outgoing items and postage requirements, and 1 mail machine jam scenario. Within 60 minutes, write distribution sequences, insertion and sealing steps, postage calculations, machine jam handling, and abnormality reporting steps. Do not use real company, mail, or customer data.
Sample output and reflection: check whether you first verified addresses and postage requirements, distributed and inserted mail under procedures, specified the basis for postage calculations, and provided handling and escalation paths for machine jams and abnormalities. Then ask whether you can maintain accuracy under batch volume and deadline pressure, and whether you are willing to take responsibility for mail accuracy and records.
Key judgments: whether addresses and postage are accurate, whether distribution routes and deadlines are correct, whether mail machine outputs have defects and how to eliminate them, when jams or abnormalities require stopping and reporting, and how to protect mail contents and customer information.
Research inputs: occupational identity, tasks, work activities, work context, skills and knowledge, interest code, education, and Job Zone for O*NET 43-9051.00. Pay, employment, and industry data on that page cover this occupation. These findings do not establish mainland Chinese qualifications, wages, or employment categories.
Check first: incoming and outgoing mail distribution and deadline requirements, address and postage rules, mail machine condition and supplies, weighing and rate charts, abnormality and jam handling requirements, and protection of mail contents and customer information.
Work cycle: begin by receiving assignments and checking requirements, then open and timestamp mail, sort and distribute it, fold, insert, and seal outgoing items, weigh, check rates, and apply postage, operate machines and handle jams, and finish by checking records, delivering, and answering inquiries. Do not send items before addresses and postage are confirmed, or resume batch work before abnormalities are handled.
Couriers and messengers collect and deliver door to door. Mail clerks and mail machine operators process incoming and outgoing mail and packages within organizations; delivery and processing duties differ.
Postal service mail carriers handle delivery and routes in the postal system. Mail clerks and mail machine operators process mail in nonpostal organizations; service scopes and employers differ.
Data entry workers enter data into systems. Mail clerks and mail machine operators focus on physical mail processing and machine operation, with data checking forming only part of their tasks.
General office clerks handle administrative and clerical matters. Mail clerks and mail machine operators focus on mail receipt and dispatch and machine operation; work objects and outputs differ.
Occupational sources describe actual tasks and objects handled: incoming and outgoing mail and packages, machines and supplies, weighing and rates, records and delivery. Tool capabilities, organizational adoption, and job outcomes are recorded separately; pay or employment data do not substitute for AI evidence.
Editorial analysis: address recognition, rate calculation, and record summaries may be candidates for assistance tool trials. This page obtained no comparative research on AI automation levels across stages. Physical sorting, insertion and sealing, machine adjustment, and abnormality handling follow job procedures.
Human control points include checking addresses and postage, distributing and inserting mail under procedures, adjusting machines and handling jams, protecting mail and customer information, and taking responsibility for accuracy and records.
Start with an offline exercise using an entirely fictional incoming and outgoing mail list. Record distribution, insertion, postage calculations, and machine jam boundaries, without relying on unverified automated recognition to replace human checks.
Editorial trial suggestion: a small sample draft using fictional materials only. Ordinary dedicated software differs from generative AI; widespread organizational adoption in this occupation has not been established.
Follow address and postage rules and machine and safety procedures, retaining human checks and records.
Category boundary: enterprise remuneration survey information from the Ministry of Human Resources and Social Security is published by occupation / position and may support pay lookups for related mail and administrative support jobs. This page did not obtain an entry precisely matching O*NET 43-9051.00 and does not use it as a national occupational median. Refer to releases by the responsible authority.
Insufficient evidence: a national occupational wage median, reference period, and matching scope for mail clerks and mail machine operators in mainland China were not obtained. This page displays only explicitly labeled industry proxies and does not fill the gap with proxy figures or US figures.
2025 US national pay distribution: the complete official table provides annual and hourly pay at five percentiles for occupation 43-9051.00.
National pay percentiles reflect positions in the income distribution, not minimum wages, beginner starting pay, or senior grades. Explain employment projections separately from individual opportunities.
Industry distribution and limitations: the page lists Administrative and Support Services and Professional, Scientific, and Technical Services as the main industries in 2024. Industry distribution signals employer settings, not demand projections.
Employment size and scope reminder: this occupation had about 67,400 workers in 2024 and is projected to decline. Citations must state the year, coverage, and occupational scope. Medians and growth descriptions cannot be spliced across markets.
Positive signals: attentive address and postage checks, patience with repetitive operations, machine operation and adjustment under procedures, and confidentiality for mail and customer information.
Reasons for caution: difficulty with prolonged repetitive operations, a tendency to miss address or postage details, reluctance to operate and maintain machines under procedures, or inability to follow mail and information confidentiality requirements.
Trial activity: use an entirely fictional incoming and outgoing mail list to practice distribution, insertion and sealing, postage calculations, machine jam handling, and abnormality reporting. Ask another person to review the records.
The RIASEC interest code is CR, Conventional–Realistic: a preference for orderly data handling and equipment operation under procedures. These labels describe activity preferences only and cannot determine competence or qualifications.
General personality scales such as the Big Five do not provide job evidence for this occupation and may be used only for self-reflection. Continue checking against real mail processing, machine operation, and verification experience.
Type tools such as MBTI and the Enneagram cannot determine competence or qualifications and may be used only for self-reflection.
Mail and customer information risks
Deadline and batch volume pressure risks
In the US, check the target employer's mail distribution, machine operation, rate, and confidentiality training. Occupational preparation information is not authorization. Insufficient evidence: this round did not obtain a Chinese qualification entry precisely matching 43-9051.00. Check actual equipment, tasks, and applicable rules separately; do not infer the nationwide absence of a unified qualification.
Training certificates, occupational qualifications, and equipment operation training are different statuses. Training does not automatically confer equipment operation or delivery authorization. For handling equipment and machine operations, obtain relevant authorization under employer and regulatory requirements.
Entry stage: learn distribution and deadline requirements, insertion and sealing, postage calculations, mail machine operation and jam handling, and recordkeeping and confidentiality requirements under supervision, retaining process records.
Evidence to show: provide a reviewable explanation of mail processing records, including distribution, insertion and sealing, postage calculations, machine handling, and abnormality reports, to demonstrate accurate processing under procedures and truthful documentation.
Next step: check the target employer's mail distribution and deadline requirements, machine and safety procedures, rates, and confidentiality requirements, then validate accuracy and efficiency through supervised real mail processing.
Moving toward greater responsibility: with experience, workers may handle complex batches and machine adjustments, mentor new workers, contribute to process improvements, or move into mail supervision, administrative support, and logistics coordination.
The page lists Administrative and Support Services and Professional, Scientific, and Technical Services as the main industries in 2024. Employment and openings are statistical projections and must be explained separately from individual opportunities.
Transferable capabilities: distribution and deadline management, address and postage checks, mail machine operation and maintenance, recordkeeping and confidentiality, customer service, and communication.
Moving into courier and messenger work requires door-to-door collection and delivery, route planning, receipt confirmation and exception communication, and the target employer's traffic and handling safety requirements. Mailroom distribution and address checking experience do not establish field delivery capability.
Observable signals include attentive address and postage checks, patience with repetitive operations, machine operation and adjustment under procedures, and confidentiality for mail and customer information. The O*NET interest code CR describes activity preferences only and cannot determine competence or qualifications.
Address recognition and sorting, rate calculation, and record summary tools may assist address checks, postage calculations, and data summaries. People remain responsible for on-site distribution, mechanical insertion and sealing, machine adjustment and jam handling, mail content protection, and abnormality judgments. This page presents tool uses only as task hypotheses and does not imply widespread organizational adoption.
Human responsibilities include checking addresses and postage, distributing and inserting mail under procedures, adjusting machines and handling jams, protecting mail and customer information, and truthfully documenting and reporting abnormalities.
The National Bureau of Statistics publishes average annual wages for urban unit employees by industry category and does not separately list this occupation, so a safely matched national occupational wage median cannot be established. The page displays only explicitly labeled industry proxies: 2025 transportation, storage, and postal service wages of 133,981 yuan per year for urban nonprivate units and 73,133 yuan per year for urban private units, and a national urban nonprivate total of 129,441 yuan per year. None equals this occupation's median or starting pay. The Ministry of Human Resources and Social Security enterprise remuneration survey information serves as a lookup entry point.
The O*NET page reports 2025 BLS OEWS median annual pay of $39,280, about $18.89 per hour, for occupation 43-9051.00. That page does not display pay percentiles. These are US national statistics and do not include individual take-home income or starting pay.
In the US, this occupation falls within Job Zone 1-2 and usually requires a high school diploma or equivalent, with no mandatory requirement for some jobs. On-the-job training ranges from a few days to one year; certification and training do not establish practice authorization. In mainland China, there is no unified occupational qualification precisely matching this O*NET occupation; job requirements are mostly determined by employers and industries.
Main risks include repetitive operations and strain, mail machine work, address and postage errors, mail and customer information risks, and deadline and batch volume pressure. Controls include machine operation and maintenance under procedures, double-checking addresses and postage, following confidentiality requirements, and stopping and reporting abnormalities. Check specific rules against employer requirements and applicable regulations.
O*NET cites BLS data showing about 67,400 workers in this occupation in 2024, projected decline of -1% or lower during 2024–2034, and about 6,900 openings during that period. These are occupational statistics, not individual hiring probabilities.
If you can check addresses and postage attentively, patiently repeat operations, and follow confidentiality requirements, it is worth a low-cost exercise using an entirely fictional incoming and outgoing mail list. Moving into mail supervision, administrative support, or logistics coordination requires corresponding evidence of experience and responsibility.
Evidence for China, the US, and specific organizations is presented separately: conclusions on pay, employment, qualifications, safety, and AI must not be spliced across scopes. This page on mail clerks and mail machine operators provides occupational assessment and mail processing exercise information and does not replace local law, safety procedures, or other professional advice. Any statement of insufficient evidence means only that bounded searches did not establish safely matched data; proxies or memory are not used to fabricate figures.
Provides occupational identity, official description, interest code, Job Zone, skills, and knowledge for 43-9051.00.
Pay and employment data on that page cover this occupation, 43-9051.00.
O*NET OnLine, U.S. Department of Labor
United States
O*NET 2026 occupational profile; accessed 2026-09-25
official occupation summary
Occupation-specific
Applies only to 43-9051.00 and the US market; no mapping to China is established.
2026-09-25
Provides tasks including opening and timestamping mail, sorting and distributing incoming items, folding, inserting, and sealing, applying postage and bundling, weighing and checking rates, operating and adjusting mail machines, handling and transferring containers, checking addresses and postage, answering mailing policy questions, and delivering packages.
The task sample does not imply that every job performs all tasks.
O*NET OnLine, U.S. Department of Labor
United States
O*NET 2026 occupational profile; accessed 2026-09-25
official occupation task list
Occupation-specific
The task sample does not imply that every job performs all tasks; no mapping to China is established.
2026-09-25
Describes work context including controlled indoor environments, accuracy requirements, repetitive operations, equipment use, and time pressure.
US work context does not replace Chinese law or employer procedures.
O*NET OnLine, U.S. Department of Labor
United States
O*NET 2026 occupational profile; accessed 2026-09-25
official occupation profile
Occupation-specific
US work context does not replace Chinese law or employer procedures.
2026-09-25
2025 BLS OEWS median pay; the page covers this occupation, 43-9051.00.
This page does not display pay percentiles; inferred values are not substituted.
O*NET OnLine using U.S. Bureau of Labor Statistics data
United States
2025 BLS OEWS pay data; accessed 2026-09-25
O*NET display of BLS OEWS wage data
Occupation-specific
This page does not display pay percentiles; the median is not starting pay or individual take-home income.
2026-09-25
2024 employment and projections for growth and openings during 2024–2034.
Projections do not guarantee hiring.
O*NET OnLine using U.S. Bureau of Labor Statistics data
United States
2024–2034 projections; accessed 2026-09-25
official employment data
Occupation-specific
Projections do not guarantee hiring; decline does not mean individual opportunities necessarily decrease.
2026-09-25
The page lists Administrative and Support Services and Professional, Scientific, and Technical Services as the main industries in 2024.
Industry distribution signals employer settings, not projected growth or demand.
O*NET OnLine, U.S. Department of Labor
United States
O*NET industry data current 2026; accessed 2026-09-25
official industry distribution
Occupation-specific
Industry distribution signals employer settings, not projected growth or demand.
2026-09-25
Job Zone 1-2, very little to some preparation: usually requires a high school diploma or equivalent, with no mandatory requirement for some jobs; on-the-job training ranges from a few days to one year.
The education distribution does not establish a mandatory requirement for every employer.
O*NET OnLine, U.S. Department of Labor
United States
O*NET 2026 occupational profile; accessed 2026-09-25
official occupation profile
Occupation-specific
The education distribution does not establish a mandatory requirement for every employer; no mapping to China is established.
2026-09-25
US national certification lookup provided by O*NET.
Certificates and training do not establish practice authorization or employer hiring requirements.
O*NET OnLine, U.S. Department of Labor
United States
current page; accessed 2026-09-25
official certification directory
Occupation-specific
Certification and training do not establish scope of practice or employer hiring; check the applicable jurisdiction.
2026-09-25
Assesses occupational exposure to generative AI at the task level for task-level discussion.
An exposure index does not equal adoption rates, job outcomes, or hiring probabilities.
International Labour Organization
Global task research
ILO Working Paper 140, 2025; accessed 2026-09-25
official research report
market_signal
Task exposure does not establish implemented automation, adoption rates, or layoffs; individual outcomes are not inferred.
2026-09-25
Provides average annual wages by industry category for urban nonprivate and private units, including transportation, storage, and postal services, to check China's public wage statistics.
Industry averages are not occupational medians and exclude individual businesses and freelancers.
National Bureau of Statistics
Mainland China national scope
2025 wages; published 2026-05-15; accessed 2026-09-25
official industry wage statistics
Industry reference
Industry averages are not occupational medians and exclude individual businesses and freelancers; no national wage distribution matching the precise occupation has been established.
2026-09-25
Ministry of Human Resources and Social Security enterprise remuneration survey information: a pay lookup organized by occupation / position.
Covers urban enterprises, excluding government agencies and public institutions; this page did not obtain an entry precisely matching 43-9051.00.
Ministry of Human Resources and Social Security
Urban enterprises in mainland China
2024 reference year; published 2025-06; accessed 2026-09-25
official enterprise wage survey
Broader occupation reference
Covers urban enterprises, excluding government agencies and public institutions; this page did not obtain an entry precisely matching this occupation and does not use it as a national median.
2026-09-25
Organizes tasks that tools may assist and human control points for task-level AI and fit discussion.
The editorial scale is not evidence of adoption rates, layoffs, regulations, or credentials.
FermatMind
Global task level
FermatMind task rubric v2026.09; reviewed 2026-09-25
internal task rubric
Editorial synthesis
The editorial scale is not evidence of adoption rates, layoffs, regulations, or credentials.
2026-09-25
Machine blockage clearing or maintenance may involve unexpected startup and stored energy release. Trained, authorized personnel must handle these under applicable energy control procedures.
US general industry guidance; does not replace Chinese regulations or specific equipment procedures.
OSHA
US general industry
Current webpage; accessed 2026-10-11
official safety guidance
Industry reference
Safety guidance across equipment types; stopping is not energy isolation, and the same procedure is not presumed to apply to every scenario.
2026-10-11