{"version":1,"asset_type":"statistical_series","data_type":"time_series","slug":"us-population-estimates","url":"https://apiardata.com/statistics/us-population-estimates","html_url":"https://apiardata.com/statistics/us-population-estimates/","title":"US Population Estimates & Projections","description":"Annual estimates and long-range projections of US resident population by age, sex, and race/ethnicity. Published by the US Census Bureau, covering 1900–2100.","domain":"demo","category":"Demographics","keywords":["Demographics","Population","Migration","Ageing","Labor Force"],"publisher":"U.S. Census Bureau","frequency":"Annual","geography":"United States (national + state)","temporal_coverage":"1900/..","last_updated":"2026-04-14","last_updated_text":"April 14, 2026","data_as_of":"2025","variable_measured":"US Resident Population","measurement_technique":"Decennial census base + administrative records (births, deaths, migration)","license":"https://apiardata.com/data-license","is_accessible_for_free":true,"sources":[{"name":"US Census Bureau — Population Estimates","url":"https://www.census.gov/programs-surveys/popest.html"},{"name":"US Census Bureau — Population Projections","url":"https://www.census.gov/programs-surveys/popproj.html"},{"name":"FRED — Population Data","url":"https://fred.stlouisfed.org/series/POPTHM"}],"meta":[{"label":"Frequency","value":"Annual"},{"label":"Coverage","value":"1900–2100 (proj.)"},{"label":"Geography","value":"United States (national + state)"},{"label":"Breakdown","value":"Age, sex, race/ethnicity"},{"label":"Last updated","value":"April 14, 2026"}],"kpis":[{"label":"US Population (2025)","value":"342.1M","unit":"Resident population (est.)","trend":{"direction":"up","value":"+0.51% YoY"}},{"label":"Median Age","value":"39.0","unit":"Years (2024 est.)","trend":{"direction":"up","value":"+0.2 yrs YoY"}},{"label":"Natural Increase","value":"+0.3M","unit":"Births minus deaths, 2024","trend":{"direction":"down","value":"slowest since 1937"}},{"label":"Net Migration","value":"+1.2M","unit":"International, 2025","trend":{"direction":"down","value":"−4% vs. 2024"}}],"series":[{"key":"value","label":"US Resident Population (millions)"}],"observation_count":60,"observations":[{"period":"1966","value":196.66},{"period":"1967","value":198.81},{"period":"1968","value":200.8},{"period":"1969","value":202.78},{"period":"1970","value":205.17},{"period":"1971","value":207.77},{"period":"1972","value":209.99},{"period":"1973","value":212},{"period":"1974","value":213.95},{"period":"1975","value":216.08},{"period":"1976","value":218.13},{"period":"1977","value":220.35},{"period":"1978","value":222.7},{"period":"1979","value":225.17},{"period":"1980","value":227.84},{"period":"1981","value":230.08},{"period":"1982","value":232.29},{"period":"1983","value":234.4},{"period":"1984","value":236.45},{"period":"1985","value":238.57},{"period":"1986","value":240.75},{"period":"1987","value":242.91},{"period":"1988","value":245.13},{"period":"1989","value":247.46},{"period":"1990","value":250.28},{"period":"1991","value":253.65},{"period":"1992","value":257.06},{"period":"1993","value":260.41},{"period":"1994","value":263.58},{"period":"1995","value":266.7},{"period":"1996","value":269.82},{"period":"1997","value":273.07},{"period":"1998","value":276.27},{"period":"1999","value":279.45},{"period":"2000","value":282.5},{"period":"2001","value":285.32},{"period":"2002","value":288.05},{"period":"2003","value":290.73},{"period":"2004","value":293.35},{"period":"2005","value":296.08},{"period":"2006","value":298.91},{"period":"2007","value":301.79},{"period":"2008","value":304.65},{"period":"2009","value":307.32},{"period":"2010","value":309.91},{"period":"2011","value":312.37},{"period":"2012","value":314.8},{"period":"2013","value":317.16},{"period":"2014","value":319.67},{"period":"2015","value":322.19},{"period":"2016","value":324.7},{"period":"2017","value":326.94},{"period":"2018","value":328.86},{"period":"2019","value":330.55},{"period":"2020","value":331.86},{"period":"2021","value":332.45},{"period":"2022","value":334.37},{"period":"2023","value":337.15},{"period":"2024","value":340.33},{"period":"2025","value":342.08}],"table":{"columns":[{"key":"period","label":"Year"},{"key":"cpiIndex","label":"Population (millions)"},{"key":"growth","label":"Annual Change (%)"},{"key":"coreInflation","label":"Net Migration (000s)"}],"rows":[{"period":"2025","cpiIndex":"342.08","growth":"+0.51%","coreInflation":"+1231"},{"period":"2024","cpiIndex":"340.33","growth":"+0.94%","coreInflation":"+1286"},{"period":"2023","cpiIndex":"337.15","growth":"+0.83%","coreInflation":"+1323"},{"period":"2022","cpiIndex":"334.37","growth":"+0.58%","coreInflation":"+1319"},{"period":"2021","cpiIndex":"332.45","growth":"+0.18%","coreInflation":"+675"},{"period":"2020","cpiIndex":"331.86","growth":"+0.40%","coreInflation":"+330"},{"period":"2019","cpiIndex":"330.55","growth":"+0.51%","coreInflation":"+1774"},{"period":"2018","cpiIndex":"328.86","growth":"+0.59%","coreInflation":"+1765"},{"period":"2017","cpiIndex":"326.94","growth":"+0.69%","coreInflation":"+1865"},{"period":"2016","cpiIndex":"324.7","growth":"+0.78%","coreInflation":"+1889"},{"period":"2015","cpiIndex":"322.19","growth":"+0.79%","coreInflation":"+1722"},{"period":"2014","cpiIndex":"319.67","growth":"+0.79%","coreInflation":"+1673"},{"period":"2013","cpiIndex":"317.16","growth":"+0.75%","coreInflation":"+1664"},{"period":"2012","cpiIndex":"314.8","growth":"+0.78%","coreInflation":"+1632"},{"period":"2011","cpiIndex":"312.37","growth":"+0.79%","coreInflation":"+1624"}]},"qa":[{"question":"What is included in US population estimates?","answer":"The Census Bureau's Population Estimates Program (PEP) produces annual estimates of resident population at the national, state, and county levels, broken down by age, sex, race, and Hispanic origin. Estimates combine the most recent decennial census count with records of births, deaths, and migration (domestic and international) over the subsequent years. They are used to allocate federal funding and as the official benchmark for planning and research."},{"question":"How do demographics affect investment decisions?","answer":"Demographics are a core driver of long-term structural trends across asset classes. Ageing populations imply rising healthcare spending, increasing pension liabilities, and lower potential GDP growth. Younger, growing populations support consumer demand and labour supply. Real estate valuations are driven partly by household formation rates (a function of demographics). Pension funds model contribution and liability assumptions directly from population projections. Private equity's healthcare and senior living sectors are sized against demographic forecasts."},{"question":"What is the difference between population estimates and projections?","answer":"Estimates are backward-looking — they extend the decennial census forward using recorded births, deaths, and migration data. Projections are forward-looking model outputs using assumed fertility rates, mortality rates, and net migration scenarios. The Census Bureau provides projections through 2100 under multiple scenarios (low, medium, high fertility and migration assumptions). Projections are inherently uncertain over longer horizons; estimates are considered authoritative for the periods they cover."}]}