Giving birth to children, student loans, housing subsidies, pension subsidies. Newborns, any children born in the United States (including illegal immigrants) are regarded as American citizens, holding American passports and student loans. Green card holders with 18 or above can apply for various student loans in the year when they get their green cards. Retirement benefits, ten-year tax record (the bottom line is about $50 per month), and after retirement (usually at the age of 65), you can receive the pension issued by the US federal government for life (1000 ~ 1200 per month). Housing subsidies, green card holders can apply to buy low-income apartments for the elderly after retirement.