1964 Puerto Rican electoral referendum

A referendum on eliminating special elections to fill vacant seats in the Legislative Assembly was held in Puerto Rico on 3 November 1964, alongside the general elections.[1] The reforms were approved by 77.5% of voters.[2]

Results

Choice	Votes	%
For	310,431	77.5
Against	89,901	22.5
Invalid/blank votes		–
Total	400,332	100
Source: Nohlen

References

1. Nohlen, D (2005) Elections in the Americas: A data handbook, Volume I, p552 ISBN 978-0-19-928357-6
2. Nohlen, p556