# Population (1 January) — Düzce (NUTS-3 TR423)

Population (1 January) — Düzce (NUTS-3 TR423) was 412,344 persons in 2025, up 0.6% from 2024.
That is the highest reading since the series began in 2001.
Over the past ten years it has ranged from 355,549 persons (2015) to 412,344 persons (2025), averaging 387,993 persons.

- Source agency: Eurostat (Statistical Office of the European Union)
- Makrognosis code: `TR-423.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-duzce-nuts-3-tr423

## Recent data

| Period | Value |
|---|---:|
| 2025 | 412,344 persons |
| 2024 | 409,865 persons |
| 2023 | 405,131 persons |
| 2022 | 400,976 persons |
| 2021 | 395,679 persons |
| 2020 | 392,166 persons |
| 2019 | 387,844 persons |
| 2018 | 377,610 persons |
| 2017 | 370,371 persons |
| 2016 | 360,388 persons |
| 2015 | 355,549 persons |
| 2014 | 351,509 persons |
| 2013 | 346,493 persons |
| 2012 | 342,146 persons |
| 2011 | 338,188 persons |
| 2010 | 335,156 persons |
| 2009 | 328,611 persons |
| 2008 | 323,328 persons |
| 2007 | 319,393 persons |
| 2006 | 315,397 persons |
| 2005 | 311,488 persons |
| 2004 | 307,706 persons |
| 2003 | 304,096 persons |
| 2002 | 300,426 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/TR-423.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/TR-423.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```