Population

Kŏḷamba is the top region by population in Sri Lanka. As of 2012, population in Kŏḷamba was 2.31 million persons that accounts for 11.40% of Sri Lanka's population. The top 5 regions (others are Gampaha, Kuruṇægala, Mahanuvara, and Kaḷutara) account for 43.43% of it. Sri Lanka's total population was estimated at 20.3 million persons in 2012.