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_ |
|---|---|---|---|---|---|---|
| Donegal South–West | 60340 | 127 | 31,417 (52.3) | 15,623 (49.7) | 15,794 (50.3) | +13.1 |
| Dublin Central | 56451 | 147 | 29,941 (53.3) | 18,545 (61.9) | 11,396 (38.1) | +18.1 |
| Dublin Mid–West | 62651 | 104 | 34,859 (55.8) | 21,435 (61.5) | 13,424 (38.5) | +21.9 |
| Dublin North | 83251 | 193 | 50,866 (61.3) | 36,971 (72.7) | 13,895 (27.3) | +22.1 |
| Dublin North–Central | 50946 | 105 | 33,316 (65.6) | 23,692 (71.1) | 9,624 (28.9) | +20.5 |
| Dublin North–East | 52499 | 135 | 33,162 (63.4) | 21,045 (63.5) | 12,117 (36.5) | +20.3 |
| Dublin North–West | 49813 | 114 | 28,584 (57.6) | 15,734 (55.0) | 12,850 (45.0) | +18.6 |
| Dublin South | 98225 | 191 | 58,221 (59.5) | 47,549 (81.7) | 10,672 (18.3) | +18.8 |
| Dublin South–Central | 80756 | 214 | 44,596 (55.5) | 25,854 (58.0) | 18,742 (42.0) | +19.0 |
| Dublin South–East | 54794 | 127 | 29,843 (54.7) | 23,478 (78.7) | 6,365 (21.3) | +17.0 |