Twenty-eighth Amendment of the Constitution of Ireland By constituency Result by constituency

| Constituency | Electorate | s_Spoilt_vote | Total_poll_ | For_ | Against_ | _Yes_side_2008_ |
|---|---|---|---|---|---|---|
| Dublin South–West | 68497 | 140 | 39,370 (57.7) | 23,192 (58.9) | 16,178 (41.1) | +24.0 |
| Dublin West | 52649 | 63 | 31,281 (59.5) | 21,429 (68.5) | 9,852 (31.5) | +20.6 |
| Dún Laoghaire | 76503 | 160 | 56,568 (74.2) | 45,917 (81.2) | 10,651 (18.8) | +17.7 |
| Galway East | 80320 | 196 | 44,855 (56.1) | 30,549 (68.1) | 14,306 (31.9) | +21.2 |
| Galway West | 86538 | 178 | 46,732 (54.2) | 31,000 (66.3) | 15,732 (33.7) | +20.2 |
| Kerry North | 55511 | 146 | 30,736 (55.6) | 19,543 (63.6) | 11,193 (36.4) | +23.2 |
| Kerry South | 52023 | 135 | 30,262 (58.4) | 20,092 (66.4) | 10,170 (33.6) | +23.8 |
| Kildare North | 73606 | 160 | 42,014 (57.3) | 32,012 (76.2) | 10,002 (23.8) | +21.6 |
| Kildare South | 56177 | 98 | 30,959 (55.3) | 21,568 (69.7) | 9,373 (30.3) | +21.6 |
| Laois–Offaly | 107303 | 258 | 63,721 (59.6) | 46,624 (73.2) | 17,097 (26.8) | +17.2 |