https://www.uscis.gov/i-864pYes, Form I-864, Affidavit of Support is required. Your US citizen spouse must file an Affidavit of Support as part of your green card application to prove that s/he is able to financially support you in the US. Your US citizen spouse’s ability to support you is determined by the Poverty Guidelines (USCIS Form I-864P), which sets the minimum income requirement for an Affidavit of Support will be accepted.

The Affidavit of Support works like a contract between you, your US citizen spouse and the US government, which allows the US government to sue your US citizen spouse for reimbursement if you receive public benefits from the US government. This financial liability comes to an end only when you become a US citizen or are credited with 10 years of work. Divorce does not end the sponsorship obligation.