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A referendum on the new constitution or organic law of Spain was held in Spanish Sahara on 14 December 1966 as part of the wider Spanish referendum. The Organic Law of the State (Spanish: Ley Orgánica del Estado) was approved by 95% of voters in Spanish Sahara and 98% of voters overall.
Results
Choice
Votes
%
For
94.6
Against
5.4
Total
Registered voters/turnout
18,802
94.2
Source: Sternberger et al.
References
Dolf Sternberger, Bernhard Vogel,Dieter Nohlen & Klaus Landfried (1978) Die Wahl der Parlamente: Band II: Afrika, Zweiter Halbband, p1738