Demographics of Indonesia local ethnic languages are the first language of most Indonesians and are still important. Indonesia demographic composition has a relatively young population. According to 2011 estimate, total median age of Indonesia is 28.2 years. Total Fertility Rate (TFR) (Wanted Fertility Rate) and Crude Birth Rate (CBR): Total fertility rate (TFR) and population over age 60 by region as of 2010: Source: "UN World Population Prospects" There are over 300 ethnic groups in Indonesia. 95% of those are of Native Indonesian ancestry. Javanese is the largest group with 100 million people (42%), followed by Sundanese who number nearly 40 million (15%).
Ethnic group of European countries, including France, and Switzerland do not collect information on the ethnicity of their resident population. Russia has over 185 recognized ethnic groups besides the 80% ethnic Russian majority. The largest group are the Tatars 3.8%. Many of the smaller groups are found in the Asian part of Russia (see Indigenous peoples of Siberia). An example of a largely nomadic ethnic group in Europe is the Roma, pejoratively known as Gypsies. They originated from India and speak the Romani language. Ethnic group An ethnic group or an ethnicity, is a category of people who identify with each other