The Dominican Republic is a country located in the Caribbean Sea. As of 2016, the Dominican Republic has a population of 10,6 million people. The capital and largest city is Santo Domingo. The official language of the Dominican Republic is Spanish and the currency is the Dominican Peso. The Dominican Republic has a diverse population with people of European, African, and Asian descent. The majority of the population is of mixed race. Roman Catholicism is the predominant religion, however, there is a growing number of Protestants. The Dominican Republic has a young population with a median age of 26.3 years. The life expectancy is 73.7 years. The literacy rate is 97.7%. The GDP per capita is $12,200. The Dominican Republic is a middle-income country. The economy is primarily based on tourism, agriculture, manufacturing, and mining. The country has a large informal sector. The Dominican Republic has a human development index of 0.733, which ranks it in the high human development category. The country is ranked 116th out of 188 countries.