Christianity is the faith for majority of the Jamaicans with about 69% of the population identifying themselves as Christians (65% Protestants, 2% Roman Catholics and 2% Jehovah's Witness) Though Jamaica is the birth place of Rastafarianism, only about 1% of the population are following that religion. Info facts flags maps. Current time in Jamaica. Currency: Jamaican Dollar (JMD). National Bird: Red-billed Streamertail Hummingbird (Doctor bird). National Flower: Lignum Vitae. National Tree: Blue Mahoe.