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Introduction to U.S. Economy: Personal Income

Updated December 29, 2022

What Is Income?
Income is a measure of resources accruing to an individual
over a period of time. In general, individuals receive
income from their labor, assets, and government transfers.
In its broadest terms, income is a measure of the maximum
amount of goods and services an individual can consume in
a given period without diminishing their net worth (the
difference between their assets and liabilities) at the end of
the period. Income is measured over a period of time. In
contrast, net worth is measured at a given point in time.
Measures of Income
There are two prominent sources of data on personal
income in the United States: the Bureau of Economic
Analysis (BEA) and the Census Bureau. Although both
agencies attempt to measure personal income, their
definitions of income and how they collect data differ
significantly. The BEA has a broader measure of income
that includes both money income (e.g., wages and salary)
and nonmoney income (e.g., employer-sponsored health
care, housing, and meals). BEA data are generally reported
at the aggregate level (e.g., economy-wide, states, regions)
but also offer limited information at the individual level.
Additionally, BEA collects income figures from both
federal agency administrative data and surveys. BEA also
provides income data both before and after tax remittances.
In contrast, the Census Bureau's measure of income
includes only money income. The Census collects income
data through surveys at the household level but also reports
the data at the individual and family level because of the
recognition that individuals within a household or family
generally share resources and make economic decisions
together. A household generally includes all individuals that
live at the same address, while a family includes all
individuals living at the same address who are related to
each other by birth, marriage, or adoption. The Census also
provides data on the distribution of income and poverty
levels. Additionally, income measures from the Census
generally reflect pretax income.
Sources of Income
Income is derived from a wide array of sources, including
salaries and wages, business income, rental income,
investment income (interest, dividends, etc.), and
government transfers from a number of programs. Different
definitions include different sources of income. Table 1
breaks income down into categories according to the BEA
definition.
In general, the largest share of personal income is employee
compensation (59% of total income in 2021, as shown in
Table 1), comprised of wages and salary (46%) and
supplements to wages and salaries (i.e., employer paid
benefits: 11%). Business, rental, and investment income

collectively accounts for about 26% of total income.
Transfers from the government, in the form of both money
income and in-kind benefits, accounted for about 22% of
total income in 2021.
Table 1. Sources of Personal Income: 2021

Percentage of Total Income

59%

Employee Compensation
Wages and Salary
Supplements to Wages and Salaries
Business Income

48%
11%

8%

Rental Income
Investment Income
Government Transfers

3%
15%
22%

Social Security
Medicare

Medicaid

Unemployment Insurance
Veterans' Benefits
Other

5%
4%
3%
2%
1%
6%

Source: CRS calculations using data from BEA, GDP and Personal
Income.
Note: Percentages may not add to 100% due to rounding.
Earnings, a subset of income, are often reported alongside
income measures. Earnings generally include only income
derived from labor. The BEA' s measure of earnings
includes wages and salaries, supplements to wages and
salaries, and business income, while the Census includes
only wages and salaries, self-employment income, and
business income as earnings.
Measuring Income over Time
Incomes have grown significantly over time in the United
States, although the rate of growth varies depending on
measurement used. According to the BEA, real (i.e.,
inflation-adjusted) average individual income grew from
$8,705 to $64,100 from 1929 to 2021, which equates to
about 2.2% per year growth on average, as shown in Figure
1. According to Census data, real median family income
has grown from about $33,513 in 1953 (the earliest data
available in this dataset) to about $88,590 in 2021, an
increase of about 1.4% per year on average. (BEA increases
in individual income in this period would be from $14,814
to $64,100, or about 2.2% a year.) Differences in income
growth between Census and BEA figures are due to
differences in the unit of analysis (i.e., households can have

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