India has topped the list of people living abroad at 17 million with about 5 million Indians residing in the Gulf region alone. <br/><br/>Mexico, Russia, China, Bangladesh, Syria, Pakistan and Ukraine also have large migrant populations living abroad, ranging from 6 to 11 million each.<br/><br/>According to the International Migration Report of the UN, the number of migrants from India now reside in multiple destination countries, including the UAE at 3 million, the US and Saudi Arabia at 2 million each.<br/><br/>International migration is a critical concern for the implementation of the 2030 Agenda for Sustainable Development. International migration makes an important contribution to population growth in many parts of the world and even reverses population decline in some countries or areas.