Population projections (Medium variant default)
Population projections from UN DESA World Population Prospects 2024 (indicator id 49 - TPopulation) through 2100. variant selects the projection assumption set: 1 = Low, 2 = High, 3 = Constant fertility, 4 = Medium (default), 8 = No change. Default range is current_year - 5 through current_year + 50.
Query parameters
Country or area as ISO3 (USA), ISO2 (US), or M49 numeric (840).
Country or area as ISO3 (USA), ISO2 (US), or M49 numeric (840).
Start year of the requested range (YYYY). Defaults to current_year - 5.
Start year of the requested range (YYYY). Defaults to current_year - 5.
End year of the requested range (YYYY). Defaults to current_year + 50.
End year of the requested range (YYYY). Defaults to current_year + 50.
Projection variant id. 1=Low, 2=High, 3=Constant fertility, 4=Medium (default), 5=Instant replacement, 6=Zero migration, 7=Constant mortality, 8=No change, 9=Momentum.
Projection variant id. 1=Low, 2=High, 3=Constant fertility, 4=Medium (default), 5=Instant replacement, 6=Zero migration, 7=Constant mortality, 8=No change, 9=Momentum.
Response
Projected total population rows by year.
Example response
{
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "sugra_crypto",
"attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
"fallback_chain": [
"sugra_crypto",
"sugra_finance"
]
}
}