The last country joined the European Union almost 15 years ago (as of June 2026).

Error detected

The claim overstates the time elapsed since the last EU accession by approximately 2 years: Croatia joined on 1 July 2013, making the gap roughly 13 years, not 'almost 15 years.'

Omissions

• The MEP also stated that 'one country left the Union' (the United Kingdom, 31 January 2020), which is factually correct but not the focus of this verification.

Sources

• PrimaryEuropean Commission — Enlargement and Eastern NeighbourhoodOn 9 December 2011 leaders from the EU and Croatia signed the accession treaty. The country became the 28th EU member country on 1 July 2013.
• PrimaryEuropean Commission — 2025 Enlargement PackageThe 2025 Enlargement Package reports progress for Montenegro, Albania, Ukraine, Moldova and other candidates but confirms no new country has acceded to the EU since Croatia in 2013.