Due to the strong historical, political, cultural and religious ties between them, Greece and the United States today enjoy excellent diplomatic relations and consider each other an ally. Today Greece is one of the United States's closest allies. The United States is the largest foreign investor in Greece; direct U.S. foreign investment in Greece was about $4.5 billion in 2006. Americans are consistently well liked in Greece. 66% of Greeks viewed Americans favorably in 2016. Back in 2005 it were 67%.