State Election Round 4 (1974–1983)
Popular Vote vs Seats
How closely each coalition's seats match its popular vote — the Gallagher disproportionality index, the winner's bonus and the effective number of parties (ENP) over time.
Gallagher index26.40▲ 24.47 vs previous
Effective parties (votes)2.17▲ 0.20 vs previous
Effective parties (seats)1.18▼ 0.77 vs previous
Winner's bonus+30.3 ptsBN
How to read this
- BN won 61.4% of the votes but 91.7% of the seats.
- Gallagher index 26.4: 0 means seats match votes exactly; above 10 indicates high disproportionality (common under first-past-the-post).
- The effective number of parties by votes is 2.2 — roughly how many serious contenders there really were.
Vote % vs seat % (%) State Election Round 4 (1974–1983) · Sabah
Gallagher index Lower = more proportional
Effective number of parties (ENP) Laakso–Taagepera: 1 ÷ Σ(share²)
Votes & seats breakdown — State Election Round 4 (1974–1983)
| Coalition | Contested | Votes | % votes | Won | % seats | Gap (pts) | Vote % vs seat % |
|---|---|---|---|---|---|---|---|
| BN Profile | 48 | 143,557 | 61.4% | 44 | 91.7% | +30.3 | |
| BS Profile | 36 | 61,580 | 26.3% | 4 | 8.3% | -18.0 | |
| Independent / no coalition | 79 | 28,836 | 12.3% | 0 | 0.0% | -12.3 |
Indices for each election
| GE | Gallagher index | Effective parties (votes) | Effective parties (seats) | Winner's bonus |
|---|---|---|---|---|
| State Election Round 15 (2021–2025) | 11.53 | 2.85 | 2.45 | -2.1 |
| State Election Round 14 (2018–2020) | 9.05 | 2.54 | 2.15 | +8.8 |
| State Election Round 13 (2013–2018) | 5.62 | 3.12 | 2.67 | +6.3 |
| State Election Round 12 (2008–2021) | 21.18 | 2.34 | 1.48 | +24.4 |
| State Election Round 11 (2004–2016) | 33.54 | 2.04 | 1.03 | +36.2 |
| State Election Round 10 (1999–2011) | 31.77 | 2.00 | 1.03 | +34.5 |
| State Election Round 9 (1995–2006) | 18.18 | 1.99 | 1.84 | +18.2 |
| State Election Round 8 (1990–2001) | 1.61 | 1.99 | 2.00 | -1.6 |
| State Election Round 7 (1986–1996) | 19.93 | 1.47 | 1.00 | +19.9 |
| State Election Round 6 (1982–1991) | 15.41 | 1.41 | 1.04 | +15.4 |
| State Election Round 5 (1978–1987) | 18.03 | 1.74 | 1.28 | +18.0 |
| State Election Round 4 (1974–1983) | 26.40 | 2.17 | 1.18 | +30.3 |
| State Election Round 3 (1969–1979) | 1.93 | 1.97 | 1.95 | +1.9 |
| State Election Round 1 (1959–1969) | 5.89 | 1.20 | 1.06 | +5.9 |
Popular vote counts contested seats only; seats won unopposed count only as seats. "Independent / no coalition" includes non-aligned parties.