United States, situated in North America is one of the world's most ethnically diverse and multicultural nations. U.S. economy is the largest national economy in the world and is a secular nation. Almost 60% of Americans get married as soon as they cross the age of 18. Its population includes nearly 5 million people with American Indian ancestry. Even as Indian NRIs live in U.S., they prefer Indian girls when it comes to marriage. Inter-racial and inter-cultural matrimonies are also common.