Borda Count - Variants

Variants

As noted above, there is more than one formula for assigning points for each ranking of a candidate. In Nauru, a distinctive formula is used based on increasingly small fractions of points. Under the system a candidate receives 1 point for a first preference, ½ a point for a second preference, ⅓ for third preference, and so on, then converted into decimal form. This method is far more favourable to candidates with many first preferences than the conventional Borda count; it also substantially reduces the impact of electors indicating late preferences at random because they have to complete the full ballot. The tables below, compare the official layout of the aggregated decimal vote, used in the Nauruan electoral system (see: Elections in Nauru), with an example of the single voting card, in raw form. Under the Nauruan system candidates 1 and 5 would be elected into parliament.

Candidate Vote Value
Candidate 1 335.433
Candidate 2 184.833
Candidate 3 179.633
Candidate 4 319.617
Candidate 5 349.617
Candidate 6 169.567
Candidate Vote Rank Decimal Value
Candidate 1 1/2 0.5
Candidate 2 1/4 0.25
Candidate 3 1/5 0.2
Candidate 4 1/3 0.3333.
Candidate 5 1/1 1.0
Candidate 6 1/6 0.1666.

In Kiribati, a variant is employed which uses a traditional Borda formula, but in which voters rank only four candidates, irrespective of how many are standing – an example of a truncated ballot.

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