Iranian frozen assets in international accounts are calculated to be worth between $100 billion and $120 billion. Almost $1.973 billion of Iran's assets are frozen in the United States. According to the Congressional Research Service, in addition to the money locked up in foreign bank accounts, Iran's frozen assets include real estate and other property. The estimated value of Iran's real estate in the U.S. and their accumulated rent is $50 million. Besides the assets frozen in the U.S., some parts of Iran's assets are frozen around the world by the United Nations.