Who is the longest serving prime minister of Bangladesh?
How many years has Sheikh Hasina been prime minister?
Sheikh Hasina Wazed (Bengali: শেখ হাসিনা ওয়াজেদ; born 28 September 1947) is a Bangladeshi politician who has served as the tenth prime minister of Bangladesh from June 1996 to July 2001 and again since January 2009.