Assuming you do not apply for a reentry permit before you leave, the maximum stay is 1 year. If you apply for a reentry permit before you leave, the maximum stay is 2 years.
If you wish to stay longer than two years, you will need both a reentry permit and a returning resident visa. You must apply for the reentry permit before you depart the US. You don't necessarily need to receive it before you leave.
If you stay longer than 2 years, there is no guarantee you will be able to get a returning resident visa.
Note: your US green card may be taken away if your travel record suggests that you reside outside the US more than in the US. So, coming to the US for two weeks every 11 months will at some point result in cancellation of your green card and an inability to return to the US using the green card.
Green card holders are not allowed to vote in federal elections, run for public office, or stay outside of the United States for extended periods of time without risking their permanent residency status.
Yes, green card holders are allowed to donate to political campaigns in the United States.
No. However, if you will stay outside the U.S. for more than six months, you need to apply for a Re-Entry Permit before you go, or you could lose your permanent residency. See the link below for further detail on international travel by green card holders.
approx. six months.
Yes, green card holders need a visa to travel to Chile.
Yes, green card holders need a visa to travel to Thailand.
As a Green Card Holder, you are allowed to travel outside the U.S. for up to 12 months without losing your status, but an absence of more than 6 months may raise questions about your intent to maintain U.S. residency. If you need to stay outside the country for another 11 months, you should apply for a reentry permit before leaving to avoid any issues upon your return. It's important to maintain ties to the U.S., such as paying taxes and mortgages, to demonstrate your intention to keep your Green Card status.
Yes, green card holders need a visa to travel to Italy.
Yes, green card holders need a visa to travel to Japan.
Yes, green card holders need a visa to travel to the UK.
No, it is not mandatory for green card holders to posses a machine readable passport (as the green card is machine readable).
Of course you can. I think you can go uptil 11 months. On the 12th month you lose your card