Sainte-Laguë method
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Webster/Sainte-Laguë works like D'Hondt method, except that you use divisors 1, 3, 5, 7, ... instead of 1, 2, 3, 4, ...
In the modified Sainte-Laguë method, the first divisor is modified to 1.4. The sequence of divisors is then 1.4, 3, 5, 7, ...
The modified Sainte-Laguë method is used for elections to the Danish parliament.
There is a longer article on Wikipedia on the same subject.
Notes
Webster, unlike D'Hondt, doesn't guarantee that a majority of voters will get at least half of the seats.[1]
| Party | Votes | Votes % | 2nd-to-last round seats | 2nd-to-last round divisors | Final seats | Final divisors | Seats % |
|---|---|---|---|---|---|---|---|
| A | 503 | 50.3% | 16 | 15.2424 (503/33) | 17 | 14.3714 (503/35) | 48.57% |
| B | 304 | 30.4% | 10 | 14.4762 (304/21) | 11 | 13.2174 (304/23) | 31.43% |
| C | 193 | 19.3% | 6 | 14.8461 (193/15) | 7 | 12.8666 (193/15) | 20% |
| Total seats awarded | 32 | 35 |
If D'Hondt had been used, the final divisor would've been 27.944, with (results calculated by rounding down to the nearest number) Party A getting 18 seats out of 35, a 51.42% majority (503/27.944), B 10 seats (304/27.944), and C 6 seats.
- ↑ "ELECTION INVERSIONS UNDER PROPORTIONAL REPRESENTATION" (PDF). p. 16. line feed character in
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