1972 The Voting Age: Yes 84.6% No 15.4%
Referendum on Fourth Amendment of the Constitution Bill 1972 (The voting age)
| Constituency | Yes | No | Turnout | Spoilt | ||
|---|---|---|---|---|---|---|
National Result | 84.6% (724,836) | | 15.4% (131,514) | | 50.7% (903,439) | 5.2% (47,089) |
| 87.1% (26,688) | | 12.9% (3,966) | | 55.2% (32,787) | 6.5% (2,133) | |
| 89.9% (16,737) | | 10.1% (1,875) | | 54.0% (20,130) | 7.5% (1,518) | |
| 87.6% (15,389) | | 12.4% (2,177) | | 47.5% (18,733) | 6.2% (1,167) | |
| 89.8% (15,425) | | 10.2% (1,759) | | 52.5% (18,281) | 6.0% (1,097) | |
| 83.9% (21,069) | | 16.1% (4,040) | | 53.8% (26,585) | 5.6% (1,476) | |
| 83.7% (21,521) | | 16.3% (4,201) | | 54.8% (27,417) | 6.2% (1,695) | |
| 76.6% (12,737) | | 23.4% (3,881) | | 48.2% (17,394) | 4.5% (776) | |
| 76.6% (14,561) | | 23.4% (4,436) | | 54.1% (19,729) | 3.7% (732) | |
| 79.4% (15,259) | | 20.6% (3,947) | | 53.1% (20,332) | 5.5% (1,126) | |
| 90.6% (13,620) | | 9.4% (1,408) | | 43.4% (16,446) | 8.6% (1,418) | |
| 90.8% (15,092) | | 9.2% (1,538) | | 46.2% (17,800) | 6.6% (1,170) | |
| 80.7% (15,663) | | 19.3% (3,752) | | 43.7% (20,455) | 5.1% (1,040) | |
| 84.3% (23,386) | | 15.7% (4,370) | | 48.6% (28,569) | 2.8% (813) | |
| 81.9% (20,239) | | 18.1% (4,461) | | 55.9% (25,296) | 2.4% (596) | |
| 79.4% (18,734) | | 20.6% (4,850) | | 49.5% (24,293) | 2.9% (709) | |
| 83.1% (23,801) | | 16.9% (4,835) | | 52.9% (29,357) | 2.5% (721) | |
| 82.5% (16,419) | | 17.5% (3,471) | | 46.5% (20,645) | 3.7% (755) | |
| 79.1% (18,915) | | 20.9% (4,983) | | 48.6% (24,511) | 2.5% (613) | |
| 79.2% (14,485) | | 20.8% (3,809) | | 50.4% (19,056) | 4.0% (762) | |
| 84.1% (14,942) | | 15.9% (2,831) | | 44.8% (18,690) | 4.9% (917) | |
| 81.0% (25,656) | | 19.0% (6,032) | | 57.7% (32,379) | 2.1% (691) | |
| 91.4% (13,856) | | 8.6% (1,296) | | 47.1% (16,167) | 6.3% (1,015) | |
| 86.5% (12,747) | | 13.5% (1,981) | | 42.6% (15,347) | 4.0% (619) | |
| 87.9% (13,088) | | 12.1% (1,801) | | 43.0% (15,908) | 6.4% (1,019) | |
| 88.7% (12,967) | | 11.3% (1,652) | | 43.2% (15,711) | 7.0% (1,092) | |
| 87.1% (16,851) | | 12.9% (2,492) | | 50.6% (20,259) | 4.5% (916) | |
| 86.3% (25,663) | | 13.7% (4,079) | | 55.0% (31,012) | 4.1% (1,270) | |
| 78.7% (19,074) | | 21.3% (5,177) | | 54.5% (25,610) | 5.3% (1,359) | |
| 86.7% (16,621) | | 13.3% (2,548) | | 56.4% (20,263) | 5.4% (1,094) | |
| 86.3% (18,738) | | 13.7% (2,964) | | 49.4% (23,284) | 6.8% (1,582) | |
| 84.5% (16,249) | | 15.5% (2,984) | | 50.4% (20,292) | 5.2% (1,059) | |
| 91.6% (13,830) | | 8.4% (1,271) | | 46.2% (16,073) | 6.0% (972) | |
| 90.6% (12,734) | | 9.4% (1,321) | | 44.3% (15,096) | 6.9% (1,041) | |
| 85.5% (15,665) | | 14.5% (2,665) | | 50.2% (19,602) | 6.5% (1,272) | |
| 88.1% (14,000) | | 11.9% (1,899) | | 47.3% (17,116) | 7.1% (1,217) | |
| 88.6% (15,827) | | 11.4% (2,035) | | 51.3% (19,333) | 7.6% (1,471) | |
| 87.6% (15,068) | | 12.4% (2,129) | | 48.8% (18,569) | 7.4% (1,372) | |
| 85.1% (15,862) | | 14.9% (2,780) | | 58.0% (20,173) | 7.6% (1,531) | |
| 84.3% (21,342) | | 15.7% (3,963) | | 58.6% (27,020) | 6.3% (1,715) | |
| 83.9% (16,836) | | 16.1% (3,241) | | 53.6% (21,178) | 5.2% (1,101) | |
| 86.1% (21,121) | | 13.9% (3,408) | | 52.3% (26,071) | 5.9% (1,542) | |
| 83.6% (16,359) | | 16.4% (3,206) | | 52.0% (20,470) | 4.4% (905) | |