# Population (1 January) — Bolu (NUTS-3 TR424)

Population (1 January) — Bolu (NUTS-3 TR424) was 326,409 persons in 2025, up 0.5% from 2024.
That is the highest reading since the series began in 2001.
Over the past ten years it has ranged from 284,789 persons (2015) to 326,409 persons (2025), averaging 310,340 persons.

- Source agency: Eurostat (Statistical Office of the European Union)
- Makrognosis code: `TR-424.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 2001-01-01 to 2025-01-01 (25 observations)
- Page: https://makrognosis.robomacro.com/data/turkey/population-1-january-bolu-nuts-3-tr424

## Recent data

| Period | Value |
|---|---:|
| 2025 | 326,409 persons |
| 2024 | 324,789 persons |
| 2023 | 320,824 persons |
| 2022 | 320,014 persons |
| 2021 | 314,802 persons |
| 2020 | 316,126 persons |
| 2019 | 311,810 persons |
| 2018 | 303,184 persons |
| 2017 | 299,896 persons |
| 2016 | 291,095 persons |
| 2015 | 284,789 persons |
| 2014 | 283,496 persons |
| 2013 | 281,080 persons |
| 2012 | 276,506 persons |
| 2011 | 271,208 persons |
| 2010 | 271,545 persons |
| 2009 | 268,882 persons |
| 2008 | 270,417 persons |
| 2007 | 268,730 persons |
| 2006 | 266,953 persons |
| 2005 | 265,210 persons |
| 2004 | 263,541 persons |
| 2003 | 261,976 persons |
| 2002 | 260,325 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/TR-424.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/TR-424.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```