As Theresa May becomes Britain's second female Prime Minister, we look at the other countries around the world that have women as heads of government.
BANGLADESH: Prime Minister Sheikh Hasina (took office in 2009)
CHILE: President Michelle Bachelet (2014)
Chilean President Michelle Bachelet (Reuters)
CROATIA: President Kolinda Grabar-Kitarovic (2015)
GERMANY: Chancellor Angela Merkel (2005)
German Chancellor Angela Merkel (Reuters)
LIBERIA: President Ellen Johnson Sirleaf (2006)
LITHUANIA: President Dalia Grybauskaite (2009)
MALTA: President Marie-Louise Coleiro Preca (2014)
MARSHALL ISLANDS: President Hilda Heine (2016)
Marshall Islands President Hilda Heine
MAURITIUS: President Ameenah Gurib-Fakim (2015)
NAMIBIA: Prime Minister Saara Kuugongelwa-Amadhila (2015)
NEPAL: President Bidhya Devi Bhandari (2015)
Nepal's President Bidhya Devi Bhandari (Reuters)
NORWAY: Prime Minister Erna Solberg (2013)
POLAND: Prime Minister Beata Szydlo (2015)
SOUTH KOREA: President Park Geun-hye (2013)
TAIWAN: President Tsai Ing-wen (2016)
Reuters.