Reproduced by Evelyn Joe from cited sources for non-commercial education purposes.

French Constitutional Referendum: 1958 
A constitutional referendum was held in  France on 28 September 1958. [1] Voters were asked whether they approved of the adoption of a  constitution for the  French Fifth Republic written by  Charles de Gaulle. It was overwhelmingly approved, with 82.6% in favour. [2] Voter turnout was 84.9% in  Metropolitan France and 79.8% overall. [2] 
Results
Choice Metropolitan France Total
Votes % Votes %
For 17,668,790 79.3 31,123,483 82.6
Against 4,624,511 20.7 6,556,073 17.4
Invalid/blank votes 303,549 - 418,297 -
Total 22,596,850 100 38,097,483 100
Source: Nohlen & Stöver
The total includes  Overseas departments, Algeria, Sahara,  Overseas territories(except  Guinea,  French Togoland,  French Cameroon, French  New Hebrides and  Wallis and Futuna) and French citizens living abroad. [2] 
By territory
Territory Votes for % Votes against % Invalid/ blank votes Total votes Registered voters Turnout
Algeria 3,357,763 96.59 118,631 3.41 38816 3,515,210 4,412,171 79.67
Chad 804,355 98.29 14042 1.71 4628 823,015 1,243,450 66.19
Comoros 63,899 97.33 1,756 2.67 265 65,920 71,099 92.72
Côte d'Ivoire 1,595,238 99.99 216 0.01 1156 1,596,610 1,636,533 97.56
Dahomey 418,963 97.84 9246 2.16 3,198 431,407 775,170 55.65
French Polynesia 16,196 64.40 8,952 35.60 99 25,247 30,950 81.57
French Somaliland 8,662 75.24 2,851 24.76 70 11,583 15,914 72.78
French Sudan 945,586 97.54 23,875 2.46 2,736 972,197 2,142,266 45.38
Gabon 190,334 92.58 15,244 7.42 3,022 208,600 265,161 78.67
Guinea 56,981 4.78 1,136,324 95.22 10,570 1,203,875 1,408,500 85.47
Madagascar 1,363,059 77.64 302,557 22.36 11,859 1,767,475 2,154,939 82.02
Mauritania 302,018 94.04 19,126 5.96 1,307 322,451 382,870 84.22
Moyen-Congo 339,436 99.38 2,133 0.62 781 342,350 433,403 78.99
New Caledonia 26,085 98.12 500 1.88 443 27,028 35,163 76.86
Niger 372,383 78.43 102,395 21.57 19,175 493,953 1,320,174 37.42
Sahara 232,113 98.60 3289 1.40 910 236,312 282,099 83.77
Saint Pierre and Miquelon 2,325 98.06 46 1.94 227 2,598 2,802 92.72
Senegal 870,362 97.55 21,901 2.45 1,106 893,369 1,106,828 80.71
Ubangi-Shari 487,033 98.77 6,089 1.23 3,553 496,675 625,663 79.38
Upper Volta 1,415,651 99.18 11,687 0.82 3,829 1,431,167 1,914,908 74.74
Source: Direct Democracy
References
  1. Nohlen, D & Stöver, P (2010) Elections in Europe: A data handbook, p674 ISBN 978-3-8329-5609-7
  2. Nohlen & Stöver, p685