# Population (1 January) — Chojnicki (NUTS-3 PL637)

Population (1 January) — Chojnicki (NUTS-3 PL637) was 212,687 persons in 2025, down 0.4% from 2024.
That is the lowest reading since the series began in 2010.

- Source agency: Eurostat (Statistical Office of the European Union)
- Makrognosis code: `PL-637.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 2010-01-01 to 2025-01-01 (16 observations)
- Page: https://makrognosis.robomacro.com/data/poland/population-1-january-chojnicki-nuts-3-pl637

## Recent data

| Period | Value |
|---|---:|
| 2025 | 212,687 persons |
| 2024 | 213,543 persons |
| 2023 | 214,254 persons |
| 2022 | 214,696 persons |
| 2021 | 215,387 persons |
| 2020 | 222,781 persons |
| 2019 | 222,635 persons |
| 2018 | 222,423 persons |
| 2017 | 221,803 persons |
| 2016 | 221,329 persons |
| 2015 | 221,274 persons |
| 2014 | 221,282 persons |
| 2013 | 221,296 persons |
| 2012 | 221,049 persons |
| 2011 | 220,525 persons |
| 2010 | 219,603 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/PL-637.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/PL-637.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```