| Sidi Ould Cheikh Abdellahi | Ahmed Ould Daddah | Zeine Ould Zeidane | Messaoud Ould Boulkhei | Brahima Moctar Sarr | Saleh Ould Hanenna | Mohamed Ould Maouloud | |
| TOTAL | 24.79% | 20.68% | 15.27% | 9.80% | 7.94% | 7.65% | 4.08% |
| Nouakchott | 10.28% | 23.80% | 14.38% | 16.05% | 13.29% | 8.98% | 3.27% |
| Inchiri | 27.90% | 24.23% | 21.42% | 4.39% | 3.00% | 3.41% | 1.50% |
| Tiris Zemmour | 18.89% | 11.37% | 15.20% | 16.97% | 7.22% | 6.16% | 3.65% |
| Guidimagha | 29.46% | 8.03% | 12.95% | 14.86% | 12.92% | 4.61% | 8.12% |
| Tagant | 39.54% | 12.15% | 15.10% | 4.69% | 0.40% | 2.16% | 16.85% |
| Dakhlet Nouadhibou | 10.50% | 16.41% | 17.45% | 19.79% | 12.06% | 7.05% | 2.38% |
| Adrar | 32.59% | 8.98% | 30.66% | 7.18% | 1.50% | 3.26% | 1.96% |
| Trarza | 24.65% | 52.67% | 5.47% | 5.17% | 2.43% | 4.97% | 0.91% |
| Brakna | 35.26% | 19.45% | 4.21% | 7.27% | 14.58% | 6.12% | 3.15% |
| Gorgol | 29.14% | 7.34% | 8.65% | 13.01% | 19.56% | 1.62% | 8.35% |
| Assaba | 31.40% | 15.93% | 21.49% | 5.30% | 0.79% | 7.98% | 7.32% |
| Hodh Gharbi | 30.86% | 9.65% | 22.56% | 2.80% | 0.41% | 20.63% | 3.00% |
| Hodh Charghi | 35.85% | 10.42% | 29.47% | 4.82% | 0.42% | 7.28% | 2.10% |
| Sidi Ould Cheikh Abdellahi | Ahmed Ould Daddah | |
| TOTAL | 52.85% | 47.15% |
| Nouakchott | 41.80% | 58.20% |
| Inchiri | 47.82% | 52.18% |
| Tiris Zemmour | 54.39% | 45.61% |
| Guidimagha | 56.18% | 43.82% |
| Tagant | 65.73% | 34.27% |
| Dakhlet Nouadhibou | 51.02% | 48.98% |
| Adrar | 73.39% | 26.61% |
| Trarza | 32.99% | 67.01% |
| Brakna | 55.92% | 44.08% |
| Gorgol | 59.62% | 40.38% |
| Assaba | 64.20% | 35.80% |
| Hodh Gharbi | 61.94% | 38.06% |
| Hodh Charghi | 71.14% | 28.86% |
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