KUALA LUMPUR, April 10 -- Racial discrimination in Malaysia's room rental market is not limited to the Klang Valley and is instead widespread nationwide, with a new study finding that more than four in 10 listings explicitly exclude at least one race.

The study released today was conducted by Architects of Diversity (AOD), a Malaysian group that works on diversity, equity and inclusion by helping organisations and communities better understand cultural differences.

In the study titled The Room Rental Discrimination Vol. 2: The Semenanjung Report, AOD found that 43.6 per cent of 40,294 listings on rental platform iBilik included explicit racial preferences, making exclusion more common than listings open to all races.

Overall, only 22.6...