39.17 percent of the eligible voters participated in the referendum on Constitutional changes as of 17:00, the Central Referendum Commission reported.
| Province | Number of eligible voters | Voter turnout (preliminary) | % |
| Yerevan | 845,885 | 305,368 | 36.10 |
| Aragatsotn | 115,363 | 48,595 | 42.12 |
| Ararat | 217,789 | 110,020 | 50.52 |
| Armavir | 229,554 | 92,277 | 40.20 |
| Gegharkunik | 187,876 | 75,493 | 40.18 |
| Lori | 238,048 | 87,709 | 36.85 |
| Kotayk | 235,549 | 92,478 | 39.26 |
| Shirak | 230,562 | 73,370 | 31.82 |
| Syunik | 109,448 | 55,937 | 51.11 |
| Vayots Dzor | 47,149 | 21,282 | 45.14 |
| Tavush | 109,487 | 42,804 | 39.10 |
| Total | 2,566,730 | 1,005,333 | 39.17 |