Costa Ricans (Spanish: Costarricenses), also called Ticos, are from a multiethnic Spanish speaking nation in Central America called Costa Rica. Costa Ricans are predominantly whites, castizos (mix of white and mestizo) and mestizos, but their country is considered a multiethnic society, which means that it is home to people of many different ethnic backgrounds. As a result, modern-day Costa Ricans do not consider their nationality as an ethnicity but as a citizenship with various ethnicities. Costa Rica has four small minority groups: Mulattoes, Blacks, Asians, and Amerindians. In addition to the “Indigenas”, whites, mestizos, blacks and mulattoes, Costa Rica is also home to thousands of Asians. Most of the Chinese and Indians now living in the country arrived during the 19th century as migrant workers. According to the 2011 Census, Costa Rica has a population of 4,301,712 people. The population growth rate between 2005 and 2010 was estimated to be 1.5% annually, with a birth rate of 17.8 live births per 1,000 inhabitants and a mortality rate of 4.1 deaths per 1,000 inhabitants. Costa Rica was the point where the Mesoamerican and South American native cultures met. The northwest of the country, the Nicoya peninsula, was the southernmost point of Nahuatl cultural influence when the Spanish conquerors (conquistadores) came in the 16th century. The central and southern portions of the country had Chibcha influences. The Atlantic coast, meanwhile, was populated with Jamaican immigrant workers during the 19th century. The country has received immigration from Europe, Africa, Asia, Americas, Middle East etc.