Geography · Reference dataset
European Union Countries
European Union member countries, their country codes, and accession years.
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Preview the records
The 10 most recently added of 27 records · Select a column heading to sort.
| ID | Country | Code | Joined |
|---|---|---|---|
| 27 | Sweden | SE | 1995 |
| 26 | Spain | ES | 1986 |
| 25 | Slovenia | SI | 2004 |
| 24 | Slovakia | SK | 2004 |
| 23 | Romania | RO | 2007 |
| 22 | Portugal | PT | 1986 |
| 21 | Poland | PL | 2004 |
| 20 | Netherlands | NL | 1958 |
| 19 | Malta | MT | 2004 |
| 18 | Luxembourg | LU | 1958 |
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Scope and sources
Last checked against sources: October 14, 2026.
Last changed: July 17, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
A complete download includes all 27 records currently held in this dataset. Check the description and sources to decide whether its scope fits your project.
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