There are at least 28,593 voters of foreign origin on the electoral roll, most of them concentrated in the hot states of Selangor and Sabah, said the Malaysian Electoral Roll Analysis Project (Merap).

This is the sum of all persons who have registered as voters in the 2012 fourth quarter electoral roll, and had identified themselves as from one of four countries in the registration forms.

These Bangladesh, Philippines, Indonesia, and Pakistan - all which are main sources of migrant labour for Malaysia.
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Sabah has the most, with 55.6 percent, while Selangor has 15.1 percent.

The other states have a much lower proportion, ranging from 6.2 percent in Kuala Lumpur to 0.1 percent in Putrajaya.

Sabah’s neighbour Sarawak has only 1.1 percent of such voters.