Population API
World demographics from 1950 to 2100, from the UN's own projections. The complete World Population Prospects 2024 (Medium variant, CC BY 3.0 IGO): 237 countries plus world, continental and regional aggregates — 84,360 location-years, each carrying 20+ indicators: total/male/female population, density, sex ratio, median age, growth rate, births and birth rate, total fertility rate, deaths and death rate, life expectancy (total/male/female), infant and under-5 mortality, and net migration. Observed estimates through 2023, UN projections from 2024 onward — every row carries an is_projection flag so you always know which side of the line you're on. Pull a country's full trajectory (world: 2.49B in 1950 → 8.23B in 2025 → peaking near 10.3B in the 2080s), a single-year snapshot (India 2024: 1,450,935,791 people, TFR 1.96, median age 28.4), or cross-country rankings for any indicator in any year — including future ones (2100: India 1.51B, China collapsed to 633M, Pakistan #3). Countries resolve by ISO2, ISO3, name or UN code; counts come back in whole persons. Market sizing, actuarial models, policy research, education, journalism — the authoritative demographic dataset, queryable.
{
"ok": true,
"location": {
"loc_id": 356,
"name": "India",
"iso3": "IND",
"iso2": "IN",
"type": "Country/Area",
"parent_id": 5501
},
"units": "counts in persons; rates as published (per 1,000 / %)",
"indicators": {
"year": 2024,
"population": 1450935791,
"population_male": 748323427,
"population_female": 702612364,
"density": 488.0064,
"sex_ratio": 106.5059,
"median_age": 28.4413,
"growth_rate": 0.896,
"natural_change": 13629928,
"births": 23186978,
"birth_rate": 15.981,
"fertility_rate": 1.9622,
"deaths": 9557050,
"death_rate": 6.587,
"life_expectancy": 72.2353,
"life_expectancy_male": 70.729,
"life_expectancy_female": 73.8556,
"infant_mortality": 22.6273,
"under5_mortality": 28.1953,
"net_migration": -630830,
"net_migration_rate": -0.435,
"is_projection": true
}
}Why developers pick this API
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import axios from 'axios';
const { data } = await axios.get(
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import axios from 'axios';
const url = '{API_URL}';
const { data } = await axios.get(url, {
headers: { 'X-Api-Key': 'YOUR_API_KEY' }
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