As of February 2020, the following countries recognise dual citizenship:

Albania, Armenia, Australia, Bangladesh, Brazil, Belgium, Canada, Chile, Colombia, Cyprus, Denmark, Dominica, Ecuador, Hungary, Ireland, Iraq, Italy, Israel, New Zealand, Fiji, Jordan, Finland, Kenya, Peru, France, Kosovo, Philippines, Thailand,  Latvia, Poland Turkey,  Lebanon, Montenegro, Mexico, Portugal, the United Kingdom, Greece, Romania  Grenada, Russia, Sri Lanka, Sweden, Syria, St. Kitts and Nevis, Switzerland, Vietnam, Macedonia, Serbia, Iceland, Malta, the United States of America and Western Samoa.