In 2005, 96 percent of the population, or about 1.3 million people live on the island of Trinidad. The other 4 percent lived on the island of Tobago. Each race who live in the country. Demonstrate the history and migration of many ethnic groups [2] There are two main ethnic groups in the country. Afro - Trinidad And Indo - Trinidad There are people from other nations, such as hybrids, Europe, China, Syria - Lebanon. And Meridian Group, etc.