2003 Slovak European Union membership referendum

A referendum on joining the European Union was held in Slovakia on 16 and 17 May 2003.^[1] It was approved by 93.7% of those voting, and Slovakia subsequently joined the EU on 1 May 2004. It remains the only referendum in the country's history to have not failed due to insufficient voter turnout.

2003 Slovak European Union membership referendum

16 and 17 May 2003
Do you agree with the Slovak Republic becoming a member state of the European Union?
Results
Choice Votes % Yes 2,012,870 93.71% No 135,031 6.29% Valid votes 2,147,901 98.74% Invalid or blank votes 27,488 1.26% Total votes 2,175,389 100.00% Registered voters/turnout 4,174,097 52.12%

Results

Choice		Votes	%
For		2,012,870	93.71
Against		135,031	6.29
Total		2,147,901	100.00
Valid votes		2,147,901	98.74
Invalid/blank votes		27,488	1.26
Total votes		2,175,389	100.00
Registered voters/turnout		4,174,097	52.12
Source: Nohlen & Stöver