1987 Single European Act: Yes 69.9% No 30.1%
Referendum on Tenth Amendment of the Constitution Bill 1987 (Ratification of the Single European Act)
| Constituency | Yes | No | Turnout | Spoilt | ||
|---|---|---|---|---|---|---|
National Result | 69.9% (755,423) | | 30.1% (324,977) | | 44.1% (1,085,304) | 0.5% (4,904) |
| 72.0% (25,284) | | 28.0% (9,856) | | 45.0% (35,385) | 0.7% (245) | |
| 79.8% (24,913) | | 20.2% (6,294) | | 41.4% (31,416) | 0.7% (209) | |
| 77.3% (20,816) | | 22.7% (6,129) | | 42.6% (27,067) | 0.5% (122) | |
| 66.4% (17,285) | | 33.6% (8,747) | | 46.7% (26,122) | 0.3% (90) | |
| 54.1% (15,068) | | 45.9% (12,759) | | 43.6% (27,931) | 0.4% (104) | |
| 72.0% (14,296) | | 28.0% (5,549) | | 48.4% (19,948) | 0.5% (103) | |
| 61.6% (24,040) | | 38.4% (14,983) | | 50.7% (39,167) | 0.4% (144) | |
| 69.2% (13,734) | | 30.8% (6,100) | | 47.1% (19,944) | 0.6% (110) | |
| 65.4% (11,040) | | 34.6% (5,834) | | 38.6% (16,984) | 0.6% (110) | |
| 68.4% (11,090) | | 31.6% (5,117) | | 34.3% (16,278) | 0.4% (71) | |
| 58.0% (18,182) | | 42.0% (13,150) | | 43.7% (31,479) | 0.5% (147) | |
| 73.1% (16,090) | | 26.9% (5,927) | | 46.0% (22,097) | 0.4% (80) | |
| 66.0% (19,263) | | 34.0% (9,944) | | 51.2% (29,300) | 0.3% (93) | |
| 63.2% (15,165) | | 36.8% (8,816) | | 46.9% (24,098) | 0.5% (117) | |
| 54.3% (11,916) | | 45.7% (10,018) | | 43.4% (22,047) | 0.5% (113) | |
| 74.1% (31,614) | | 25.9% (11,074) | | 53.7% (42,790) | 0.2% (102) | |
| 61.1% (21,313) | | 38.9% (13,574) | | 45.6% (35,026) | 0.4% (139) | |
| 67.7% (19,542) | | 32.3% (9,305) | | 42.2% (28,984) | 0.5% (137) | |
| 59.1% (15,177) | | 40.9% (10,513) | | 41.2% (25,760) | 0.3% (70) | |
| 61.5% (19,994) | | 38.5% (12,537) | | 42.1% (32,589) | 0.2% (58) | |
| 76.2% (31,821) | | 23.8% (9,914) | | 53.2% (41,843) | 0.3% (108) | |
| 83.1% (13,897) | | 16.9% (2,823) | | 39.6% (16,806) | 0.5% (86) | |
| 73.3% (20,817) | | 26.7% (7,571) | | 36.2% (28,540) | 0.5% (152) | |
| 59.8% (10,709) | | 40.2% (7,201) | | 38.8% (17,998) | 0.5% (88) | |
| 66.7% (11,560) | | 33.3% (5,778) | | 40.9% (17,423) | 0.5% (85) | |
| 73.6% (23,685) | | 26.4% (8,514) | | 42.5% (32,307) | 0.3% (108) | |
| 73.2% (22,758) | | 26.8% (8,332) | | 41.3% (31,245) | 0.5% (155) | |
| 71.5% (21,350) | | 28.5% (8,517) | | 44.0% (29,963) | 0.3% (96) | |
| 80.5% (15,846) | | 19.5% (3,836) | | 45.8% (19,780) | 0.5% (98) | |
| 76.5% (18,686) | | 23.5% (5,729) | | 39.9% (24,569) | 0.6% (154) | |
| 70.1% (19,397) | | 29.9% (8,270) | | 44.4% (27,784) | 0.4% (117) | |
| 82.0% (13,406) | | 18.0% (2,946) | | 40.0% (16,451) | 0.6% (99) | |
| 80.7% (12,779) | | 19.3% (3,057) | | 39.0% (15,939) | 0.6% (103) | |
| 73.7% (23,822) | | 26.3% (8,502) | | 43.1% (32,472) | 0.5% (148) | |
| 80.0% (14,001) | | 20.0% (3,494) | | 42.6% (17,600) | 0.6% (105) | |
| 75.5% (20,110) | | 24.5% (6,540) | | 45.0% (26,849) | 0.7% (199) | |
| 74.6% (14,343) | | 25.4% (4,888) | | 46.6% (19,338) | 0.6% (107) | |
| 74.8% (19,180) | | 25.2% (6,464) | | 46.4% (25,792) | 0.6% (148) | |
| 68.0% (18,442) | | 32.0% (8,688) | | 45.2% (27,287) | 0.6% (157) | |
| 72.3% (22,208) | | 27.7% (8,524) | | 44.2% (30,856) | 0.4% (124) | |
| 69.4% (20,784) | | 30.6% (9,163) | | 46.0% (30,050) | 0.3% (103) | |