The Hindu community consists of mainly Nairs and Ezhavas. Ambalavasis and Brahmins – including the local Namboodiris and migrants like Iyers and GSBs- also form a percentage of the Hindu population. The Scheduled Castes, around 12% of the population of the district, also form a section among the Hindus of the district. The Catholics – both Syro Malabar and Latin, Orthodox Jacobites and Chaldeans are the main sections of the Christian Community in the district. Catholics constitute 90% of the Christian population of the district spreading in 3 dioceses namely Thrissur (4,60,000), Irinjalakkuda (2,52,000) and Kottapuram (75,000). Orthodox, Jacobites and Chaldean Syrians constitute the rest.