Population projections (Medium variant default)
Changed onPopulation 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.
Request
- Base URL: https://sugra.ai
- URL: https://sugra.ai/api/v1/un-population/projections
- Auth: API key in header x-api-key
Query parameters
Country or area as ISO3 (USA), ISO2 (US), or M49 numeric (840).
Start year of the requested range (YYYY). Defaults to current_year - 5.
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.
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",
"data_age_days": 8.532,
"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"
],
"stale_since": "2026-09-08T12:00:00Z",
"period": "2026-Q1",
"notes": "the UKMTO report behind these counts is dated 2026-08-21 and is 11 days old"
}
}Changes
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added the non-success response with the status
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added the optional property
/to the response with the status
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