How Federal Statistics Describe America's Communities

A population table and a community history answer different questions. Understanding the categories in federal statistics helps students read the numbers carefully and place them alongside biographies, documents, and historical narratives.

Why Categories Matter on the Reference Shelf

A category is a heading used to organize information. Before comparing a population table with a reference essay, ask how the table defines its groups, when its data were collected, and what the numbers measure. A title on a bookshelf does not supply the definition for a statistical table.

Start with the table's own labels and notes. Keep an exact label in your research notes, then explain it in ordinary language. This gives readers a way to follow your reasoning and helps you avoid carrying a definition from one source into another without checking it.

From 1977 to 2024

The Census Bureau's explanation of federal race and ethnicity standards says the Office of Management and Budget, or OMB, established the first federal standards in 1977. Statistical Policy Directive No. 15, often shortened to SPD 15, was subsequently revised in 1997 and 2024. OMB issued the 2024 revision on March 28.

The Bureau explains that consistent formats, language, and collection procedures help make data comparable across federal agencies. It is developing an implementation plan for OMB's required deadline of March 2029. The Bureau says it is preparing to use the revised standards in the 2027 American Community Survey and the 2030 Census. Keep these implementation dates with any explanation of the changes so readers can distinguish the standards from particular data releases.

What Changed in 2024

The revised standards combine race and ethnicity in one question and encourage respondents to select as many categories as apply. The Census Bureau's account of what the revision means explains that a single response, such as Hispanic or Latino, is complete. A respondent may also report multiple categories.

The revision adds a dedicated Middle Eastern or North African category, abbreviated MENA. Under the 1997 standards, MENA respondents were defined and counted within White. The Bureau's examples of origins within the MENA definition include Lebanese, Iranian, Egyptian, Syrian, Iraqi, and Israeli. Read that formal definition when connecting statistics to a community history; a familiar label alone may leave the scope unclear.

The revision also requires additional detail beyond the minimum categories in most situations. For presenting data about people who identify with multiple minimum categories, it requires the terminology “Multiracial and/or Multiethnic” in place of “Two or More Races.” Record the wording used by each source when comparing tables.

The Seven Minimum Categories

OMB's 2024 standards set out seven co-equal minimum categories. The Census Bureau lists them as follows:

• American Indian or Alaska Native
• Asian
• Black or African American
• Hispanic or Latino
• Middle Eastern or North African
• Native Hawaiian or Pacific Islander
• White

“Co-equal” means the categories stand at the same level in the combined question. Additional detail can go beyond these headings. When writing about a table, preserve the distinction between its broad categories and any more detailed origins it reports. When writing about a person or community, use the specific information your historical source provides rather than trying to make a statistical heading carry the whole account.

What Recent Estimates Show

The Vintage 2024 population estimates released June 26, 2025 put the Hispanic or Latino population at 68,086,153 on July 1, 2024. Its share of the U.S. total reached 20% for the first time in 2024. From 2023 to 2024, it increased by 1.9 million, a gain larger than the change for all other race and ethnicity groups combined.

The Asian population had the fastest percentage growth over that period, at 4.2%; the Hispanic or Latino population grew by 2.9%. Percentage growth and the number of people added answer different questions. Identify which measure a comparison uses before describing it.

The release specifies that its race-group references are for non-Hispanic race-alone groups, while Hispanic or Latino populations are of any race unless otherwise stated. Include that note when discussing these figures. It defines the groups being compared and belongs with the date and measure in a careful summary.

Using Census Categories in Class

Try a short source-reading exercise. Select a population figure and write three sentences: one naming the value and group, one identifying the date or period, and one explaining the category note. Then find a historical account relevant to the same topic and write the question that account helps answer. The two sources can sit together in a project while each keeps its own purpose.

For comparisons across years, record the category names exactly as each release gives them. Check its definitions before calculating or interpreting a difference. For comparisons across communities, use the same period and measure, and include the notes that explain who is counted. A good summary allows another reader to see both the result and the terms on which the comparison rests.