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%).
History of the Macedonians (ethnic group) (up to 35,000 people), Bulgaria (up to 200,000, mainly in Blagoevgrad Province), Greece (up to 250 000 in Greek Macedonia) and Serbia (about 20,000 in Pčinja District). Because of those claims, irredentist proposals are being made calling for the expansion of the borders of the Republic of Macedonia to encompass the territories allegedly populated with ethnic Macedonians, either directly or through initial independence of Blagoevgrad province and Greek Macedonia, followed by their incorporation into a single state. (See United Macedonia). The population of the neighboring regions is presented as "subdued" to the propaganda of the governments of those neighbouring countries,