A referendum on the new constitution of France was held in Mauritania on 28 September 1958 as part of a wider referendum held across the French Union. The new constitution would see the country become part of the new French Community if accepted, or result in independence if rejected. It was approved by 94.04% of voters.[1]
| Choice | Votes | % |
|---|---|---|
| For | 302,018 | 94.04 |
| Against | 19,126 | 5.96 |
| Invalid/blank votes | 1,307 | – |
| Total | 322,451 | 100 |
| Registered voters/turnout | 382,870 | 84.22 |
| align=left colspan=3 | Source: Direct Democracy |