Library Assistants, Clerical vs Mail Clerks and Mail Machine Operators, Except Postal Service: $37K vs $39K Median Pay

Library Assistants, Clerical vs Mail Clerks and Mail Machine Operators, Except Postal Service: what changes?

Consider Library Assistants, Clerical if you want to compile records, and sort, shelve, issue, and receive library materials such as books, electronic media, pictures, cards, slides and microfilm. Consider Mail Clerks and Mail Machine Operators, Except Postal Service if you would rather prepare incoming and outgoing mail for distribution. Both list high school diploma or equivalent; compare training and prior experience separately.

Try this next: Compare three local entry-level postings for Library Assistants, Clerical and Mail Clerks and Mail Machine Operators, Except Postal Service. List the duties, credentials, prior experience, and paid training each employer actually asks for. Try a supervised class or sample project from each field before choosing a program.

BLS 2025 wages and 2025–2035 projections. National medians are not starting offers. Occupation size is not a count of vacancies. View the BLS data.

Compare the practical differences

Library Assistants, Clerical

National median pay (2025): $36,910
Route into the job: High school diploma or equivalent; One month or less of on-the-job training, in addition to any qualifying education or licensing
Prior related experience: No prior related occupation is typically required; employer requirements vary.
Training and licensing: One month or less of on-the-job training, in addition to any qualifying education or licensing.
Work to investigate: Sort books, publications, and other items according to established procedure and return them to shelves, files, or other designated storage areas.
Annual openings (2025–2035): 12,300

Know before you choose

BLS projects employment to shrink 6.4% from 2025 to 2035. Openings can still occur when existing workers leave.

See the full Library Assistants, Clerical brief

Mail Clerks and Mail Machine Operators, Except Postal Service

National median pay (2025): $39,280
Route into the job: High school diploma or equivalent; One month or less of on-the-job training, in addition to any qualifying education or licensing
Prior related experience: No prior related occupation is typically required; employer requirements vary.
Training and licensing: One month or less of on-the-job training, in addition to any qualifying education or licensing.
Work to investigate: Wrap packages or bundles by hand, or by using tying machines.
Annual openings (2025–2035): 4,700

Know before you choose

BLS projects employment to shrink 7.2% from 2025 to 2035. Openings can still occur when existing workers leave.

See the full Mail Clerks and Mail Machine Operators, Except Postal Service brief

How the national numbers differ

Library Assistants, Clerical has the edge on annual openings

Library Assistants, Clerical is at 12,300 annual openings, compared with 4,700 annual openings for Mail Clerks and Mail Machine Operators, Except Postal Service.

Mail Clerks and Mail Machine Operators, Except Postal Service has the edge on median pay

Mail Clerks and Mail Machine Operators, Except Postal Service is at $39,280, compared with $36,910 for Library Assistants, Clerical.

Library Assistants, Clerical has the edge on projected growth

Library Assistants, Clerical is at -6.4% projected growth, compared with -7.2% projected growth for Mail Clerks and Mail Machine Operators, Except Postal Service.

36.9/ 100

Library Assistants, Clerical

32.5/ 100

Mail Clerks and Mail Machine Operators, Except Postal Service

Each available metric is ranked from 0 to 100 against the careers on ChooseField. The weighted average uses this profile: pay 30%, growth 25%, openings 30%, preparation level 15%. Missing values are not scored as zero; their weights are redistributed across available metrics. Occupation size has zero weight: employment is not accessible vacancies. Preparation categories do not measure admission difficulty or years without earnings. The score summarizes national measures; local opportunities and personal fit still need separate consideration.

Detailed evidence

Library Assistants, Clerical vs Mail Clerks and Mail Machine Operators, Except Postal Service

Dimension	Library Assistants, Clerical	Mail Clerks and Mail Machine Operators, Except Postal Service
Median pay (2025)	$36,910	$39,280
Pay percentile	6.5 percentile	10.5 percentile
Projected growth (2025–2035)	-6.4%	-7.2%
Annual openings (2025–2035)	12,300	4,700
2025 employment	89,500	57,800
How you qualify	High school diploma or equivalent; One month or less of on-the-job training, in addition to any qualifying education or licensing	High school diploma or equivalent; One month or less of on-the-job training, in addition to any qualifying education or licensing
O*NET preparation group	Job Zone 2	Job Zone 2
Related work experience	No prior related occupation is typically required; employer requirements vary.	No prior related occupation is typically required; employer requirements vary.
On-the-job training	One month or less of on-the-job training, in addition to any qualifying education or licensing.	One month or less of on-the-job training, in addition to any qualifying education or licensing.

The table reports national benchmarks and reviewed work descriptions. It does not rate personal suitability, job security, or physical safety.

Read Library Assistants, Clerical brief Read Mail Clerks and Mail Machine Operators, Except Postal Service brief

Library Assistants, Clerical vs Mail Clerks and Mail Machine Operators, Except Postal Service: what changes?

The facts most likely to affect your decision

Library Assistants, Clerical

Mail Clerks and Mail Machine Operators, Except Postal Service

How the national numbers differ

Library Assistants, Clerical has the edge on annual openings

Mail Clerks and Mail Machine Operators, Except Postal Service has the edge on median pay

Library Assistants, Clerical has the edge on projected growth

Library Assistants, Clerical vs Mail Clerks and Mail Machine Operators, Except Postal Service

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