For example, just those immigrating from Mexico, China and the Philippines are by far outnumbering those from most of the other countries accumulated. However, far more people are coming to the USA from certain countries than from others. The US is proud to be a country of immigrants. The program is called the “Green Card Lottery” or 'dvlottery', because the winners are determined through a random drawing from among the 10–12 million people who enter each year world wide. The Diversity Visa Program (DV Lottery) is congressionally-mandated and allows up to 55,000 persons from nations that are historically under-represented in terms of migration to the United States of America to qualify each year for immigrant visas which are also known as Green Cards.