# Adults without upper secondary education, ages 25 to 64 in Ionia Nisia

Adults without upper secondary education, ages 25 to 64 in Ionia Nisia was 25.5% in 2025. Source: Eurostat, European Commission.

- Indicator id: `below_upper_secondary_share_25_64`
- Place id: `gr-nuts-el62`
- Unit: %
- Definition: People aged 25 to 64 whose highest completed level of education is lower secondary at most (ISCED 2011 levels 0 to 2: less than primary, primary and lower secondary), as a percentage of all people aged 25 to 64 living in private households (EU Labour Force Survey).
- Note: Upper secondary is the level reached at about 18, such as the Spanish bachillerato or a vocational qualification of the same level.
- Source: Eurostat, European Commission, Population by educational attainment level and NUTS 2 region, less than primary, primary and lower secondary education (levels 0 to 2), 25 to 64 years (edat_lfse_04) (https://ec.europa.eu/eurostat/databrowser/view/edat_lfse_04/default/table)
- Publisher page: https://invokely.ai/en/publishers/eurostat
- Retrieved: 2026-10-12
- License: Eurostat reuse policy (commercial and non-commercial reuse, attribution required)
- Citation: Eurostat. Population by educational attainment level and NUTS 2 region, less than primary, primary and lower secondary education (levels 0 to 2), 25 to 64 years (edat_lfse_04). https://ec.europa.eu/eurostat/databrowser/view/edat_lfse_04/default/table. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/adults-without-upper-secondary-education-25-64/ionia-nisia-el62
- API: https://invokely.ai/api/v1/series?indicator=below_upper_secondary_share_25_64&place=gr-nuts-el62

| Period | % |
|---|---:|
| 2025 | 25.5 |
| 2024 | 21 |
| 2023 | 25.7 |
| 2022 | 26 |
| 2021 | 30.8 (break) |
| 2020 | 29.7 |
| 2019 | 32.3 |
| 2018 | 30.9 |
| 2017 | 37.3 |
| 2016 | 37.9 |
| 2015 | 35.7 |
| 2014 | 39.6 (break) |
| 2013 | 44.2 |
| 2012 | 47.8 |
| 2011 | 49.5 |
| 2010 | 52.5 |
| 2009 | 55.1 (break) |
| 2008 | 55.7 |
| 2007 | 54.6 |
| 2006 | 55.2 |
| 2005 | 57.1 |
| 2004 | 54.3 (break) |
| 2003 | 62.3 |
| 2002 | 59.3 |
| 2001 | 59 (break) |
| 2000 | 58.8 |