4.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 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.