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 groups in Pakistan "Pathans"), are Pakistan's second largest ethnic group that are native to the land principally northwest of the Indus River for the past five thousand years. They also reside in many major cities of Pakistan. They speak Pashto, an Iranian language. They make up an estimated 30 million of Pakistan's total population. Muhajirs are also called "Urdu Speaking people". Muhajirs are a collective multiethnic group, which emerged by the migration of Indian Muslims from various parts of India to Pakistan starting in 1947, as a result of world's largest mass migration. Majority of Muhajirs are settled in Sindh mainly in Karachi,