1961 Danish electoral age referendum
Results

Choice
Votes
%
For
586,113
55.0
Against
479,146
45.0
Invalid/blank votes
9,299
–
Total
1,074,558
100
Registered voters/turnout
2,880,337
37.3
Source: Nohlen & Stöver
Source: Nohlen & Stöver
Source: Nohlen & Stöver

Question: What was the approval rate for the referendum and what was the voter turnout?
Answer: The Danish electoral age referendum was approved by 55% of voters, with a 37.3% turnout.