How surveys and census supplements count platform work and online pay

Pay Census reads the instruments that enumerate contingent and platform work — what each form asks, whom it reaches, and what the resulting counts leave out.

Unit of count: Person · job · week
Sources on file: CPS · Abraham et al. · ILO
Scope: Published research only

Subject

The count depends on the form

Public debate about online side income often treats “how many people do this work” as a single question with a single answer. In practice the answer is produced by a questionnaire, a reference week, a definition of a job, and a sample frame — and changing any of those changes the count.

A household survey that asks about a main job in one week will miss intermittent platform hours taken beside another job. An information return on tax filings sees reported payments across a year and misses unpaid search time. A bank-transaction study sees deposits that clear a particular account.

Pay Census keeps those instruments separate. Each note names the form, the population it reached, the period it covered, and the limits the authors placed on their own totals.

Schedule of instruments

Not interchangeable

Three enumeration approaches on record
Source	Instrument	What it counts
US Bureau of Labor Statistics	Contingent Worker Supplement to the CPS	Main job · one week
Abraham, Haltiwanger, Sandusky & Spletzer	Survey and administrative comparisons	Why totals diverge
International Labour Organization	Guidelines on measuring digital platform employment	Definitions · boundaries

Library

Three forms on file

Each entry sets out the question, the instrument, the published result and the boundary the authors placed around it.

Design Household supplementAgency BLS

What the Contingent Worker Supplement is built to count

The US Bureau of Labor Statistics Contingent Worker Supplement classifies workers by the expected duration and contractual form of a main job in a single reference week — a design that shapes every total drawn from it.

Design Survey vs. admin dataYear 2018–

Why survey and administrative counts of gig work diverge

Abraham, Haltiwanger, Sandusky and Spletzer compare household surveys with administrative sources and show how definition, reference period and reporting thresholds move the measured size of gig work.

Design Measurement guidelinesBody ILO

How the ILO frames digital platform employment for statistics

The International Labour Organization’s guidance on measuring digital platform employment sets out definitions and boundaries that national statistical offices are asked to keep distinct when they enumerate this work.

Editorial standards

Four rules that govern every page

Named sources only. Every figure on this site is attributed to named researchers or a named institutional publication, with the instrument and the period attached. No statistic appears without a traceable source.
No presumption about the reader. Every page is written in the third person about research populations. No headline, sentence or graphic asserts or assumes anything about the situation, finances, occupation or intentions of the person reading it.
Limits travel with the figure. Where authors state that a result does not extend to a population, industry or period, that boundary is reproduced in the note rather than left to inference.
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Boundaries

What Pay Census is not

Set out directly, so that the edges of this work are not left to inference.

Not financial advice: Nothing here is professional, financial, investment, tax, legal, employment or career advice, and nothing here substitutes for a qualified professional who has examined the particulars of a situation.
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Research described here concerns samples, populations and averages measured under stated conditions in stated periods. A finding about a population is not a prediction about an individual, and is not presented as one anywhere on this site.

Questions

Answered in advance

What is published here: Editorial notes on surveys, census supplements, administrative comparisons and statistical guidelines concerning how platform and contingent work are counted. Each note names the researchers or the agency, describes the instrument, reports the figures as published, and records the boundaries placed on the conclusions.
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Correspondence

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