According to the United Nations, by 2020, the number of people who have migrated from their homeland has reached 275 million.
As of the beginning of this year, about 18.5 million Indians were living abroad instead of at home, according to UN figures. Most Indian immigrants are from the United States, Canada, the United Kingdom and the Gulf. In 2000, the number of Indians living abroad was 8.5 million and it was the third largest in the world.
The South American country of Mexico ranks second in the global migration rankings with 13 million overseas citizens. Ninety percent of Mexican expatriates live in the United States. There were 4.4 million Mexicans living abroad in 1990
The trend of migration among Chinese citizens has also increased and as of December 2019, China ranks third in the global migration rankings with more than 11 million expatriates. Large numbers of Chinese immigrants live in the United States, Canada, Japan and Australia. In 1990, the number of Chinese nationals living abroad was 4.4 million.
Russia is in fourth place with more than 10 million citizens living in countries other than their homeland. Russian immigrants live in Germany, the United States and European countries, as well as in former Soviet states.
The civil war-torn country of Syria has forced 8.2 million citizens to live in other countries. Syria was ranked 26th in the world in 1990, but millions of people have been forced to flee since the start of the Syrian civil war in 2011. The majority of Syrian refugees are in neighboring countries such as Turkey, Jordan and Lebanon, but there are also large numbers of Syrians in many other European countries.
Bangladesh, a South Asian country, ranks Sixth on the UN list. According to the latest figures, about 8.1 million Bengalis live in other countries. Bengali nationals are also present in India and Pakistan, but the number of Bangladeshi nationals heading to the US, UK and Gulf countries has also increased.
With more than 7.5 million expatriates, Pakistan ranks seventh on this list. Most Pakistanis are in the Gulf countries, the United Kingdom and the United States. 3.4 million in 1990 and 4.2 million Pakistanis abroad by the end of 2005. However, since 2007, there has been a significant increase in the tendency of Pakistani citizens to move to other countries.
Ukraine was ranked fifth in the world in the 1990s after the collapse of the Soviet Union. Later, the migration of Ukrainians was gradually declining. However, in the wake of recent tensions between Russia and Ukraine, the trend has intensified. As of the beginning of this year, 6.1 million Ukrainians were living abroad.
The Philippines ranks ninth with more than 5.7 million expatriates. In 2000, there were 3 million Philippines living abroad.
Afghanistan ranks tenth in the world with 5.2 million expatriates. Afghanistan ranked seventh on the list in 1990, with 6.7 million citizens living in Pakistan, Iran and other countries. By 1995, however, more than 2.2 million Afghans had returned home.