| Country: | Burundi |
| Yes: | 1,876,958 |
| No: | 213,817 |
| Invalid: | 13,143 |
| Electorate: | 2,186,591 |
A referendum on the Charter of National Unity was held in Burundi on 9 February 1991. The charter would abolish ethnic discrimination and give a mandate for the government to write a new constitution. It was approved by 89.77% of voters with a 96% turnout.[1] Following the Charter's approval, work began on the drafting of a new constitution which was approved in a referendum held on 9 March 1992. It was promulgated on 13 March 1992.
| Choice | Votes | % |
|---|---|---|
| For | 1,876,958 | 89.77 |
| Against | 213,817 | 10.23 |
| Invalid/blank votes | 13,163 | – |
| Total | 2,103,938 | 100 |
| Registered voters/turnout | 2,186,591 | 96.22 |
| align=left colspan=3 | Source: African Elections Database |