← UK Office for National Statistics (website timeseries API)
United Kingdom population mid-year estimate
This series has no golden-value checks assigned yet, so it is labelled unverified. The values are ingested from the official source with full provenance, but nothing here has been confirmed against a hand-checked reference point.
Coverage 1971-01-01 to 2025-01-01 · series id ons-api/UKPOP
Recent values
| Period | Value | Revision |
|---|---|---|
| 2025-01-01 | 69,487,000 | 1 |
| 2024-01-01 | 69,281,400 | 1 |
| 2023-01-01 | 68,526,200 | 1 |
| 2022-01-01 | 67,636,100 | 1 |
| 2021-01-01 | 66,978,000 | 1 |
| 2020-01-01 | 66,739,900 | 1 |
| 2019-01-01 | 66,627,500 | 1 |
| 2018-01-01 | 66,286,700 | 1 |
| 2017-01-01 | 65,964,300 | 1 |
| 2016-01-01 | 65,605,800 | 1 |
| 2015-01-01 | 65,087,000 | 1 |
| 2014-01-01 | 64,618,700 | 1 |
Verification history
| Check | Result | Expected | Actual | When |
|---|---|---|---|---|
| freshness | pass | 3h ago | ||
| freshness | pass | 27h ago | ||
| freshness | pass | 2d ago | ||
| freshness | pass | 3d ago | ||
| freshness | pass | 4d ago | ||
| freshness | pass | 5d ago |
License and citation
License open-government (terms). Contains public sector information licensed under the Open Government Licence v3.0. Source: Office for National Statistics.
Official table: Population estimates time series dataset · Office for National Statistics (UK)
Use it
curl "https://starwell.dev/api/starwell/v1/sources/ons-api/series/UKPOP/observations?latest=12"
Download CSV: full history with attribution.
Embed the chart
An SVG of this series, attribution included:
<img src="https://starwell.dev/sources/ons-api/UKPOP/chart.svg"
alt="United Kingdom population mid-year estimate" width="720" />
Embed the status badge
[](https://starwell.dev/sources/ons-api/UKPOP)
curl -X POST "https://starwell.dev/api/starwell/v1/answer" \
-H "Authorization: Bearer dlk_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"question": "What is the latest value?", "series": [{"source": "ons-api", "seriesId": "UKPOP"}]}'
Data reads need no key; answers do. Keys are free at /account; a keyless sample lives at GET /api/starwell/v1/answer/demo.