Referendum on the creation of a Sidama region, 2019|
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| Choice | Votes | % |  
| Yes | 2,225,249 | 98.52% |  
| No | 33,463 | 1.48% |  
| Valid votes | 2,258,712 | 99.19% |  
| Invalid or blank votes | 18,351 | 0.81% |  
| Total votes | 2,277,063 | 100.00% |  
| Registered voters/turnout | 2,280,147 | 99.86% |  | 
A referendum on creating a Sidama Region was held on regionalisation in the Sidama Zone of Ethiopia on 20 November 2019. The creation of such a region is a long-standing claim of the Sidama people.
The referendum's management and its likely centrifugal consequences on Ethiopia's system of ethnic federalism were seen as a crucial test for Prime Minister Abiy Ahmed's policy of democratic openness ahead of the 2020 general election.