# Population aged 15 to 64 in Trieste

Population aged 15 to 64 in Trieste was 138,476 in 2025. Source: Eurostat, European Commission.

- Indicator id: `population_15_64`
- Place id: `it-nuts-ith44`
- Unit: persons
- Definition: Resident population aged 15 to 64 on 1 January (Eurostat).
- Note: The working-age band Eurostat uses for EU comparisons. population_16_64 (INE, Spain) starts at 16, so the two series differ.
- Source: Eurostat, European Commission, Population on 1 January by broad age group, 15 to 64, by NUTS 2 and 3 region (demo_r_pjanaggr3) (https://ec.europa.eu/eurostat/databrowser/view/demo_r_pjanaggr3/default/table)
- Retrieved: 2026-10-09
- License: Eurostat reuse policy (commercial and non-commercial reuse, attribution required)
- Citation: Eurostat. Population on 1 January by broad age group, 15 to 64, by NUTS 2 and 3 region (demo_r_pjanaggr3). https://ec.europa.eu/eurostat/databrowser/view/demo_r_pjanaggr3/default/table. Retrieved 2026-10-09.
- Web page: https://invokely.ai/en/population-15-64/trieste-ith44
- CSV: https://invokely.ai/download/population-15-64/trieste-ith44.csv
- API: https://invokely.ai/api/v1/series?indicator=population_15_64&place=it-nuts-ith44

| Period | persons |
|---|---:|
| 2025 | 138,476 |
| 2024 | 138,886 |
| 2023 | 138,910 |
| 2022 | 138,595 |
| 2021 | 139,718 |
| 2020 | 139,541 |
| 2019 | 140,053 |
| 2018 | 139,805 |
| 2017 | 139,302 |
| 2016 | 138,969 |
| 2015 | 139,683 |
| 2014 | 140,408 |
| 2013 | 140,996 |
| 2012 | 141,894 |
| 2011 | 143,232 |
| 2010 | 143,316 |
| 2009 | 143,818 |
| 2008 | 144,467 |
| 2007 | 145,144 |
| 2006 | 146,841 |
| 2005 | 149,141 |
| 2004 | 151,122 |
| 2003 | 153,381 |
| 2002 | 155,565 |
| 2001 | 157,059 |