Countdown to Anna Kajumulo Tibaijuka's Birthday- (born 12 October 1950) is a Tanzanian CCM politician and Member of Parliament for Muleba South constituency since 2010. She is the current Minister of Lands, Housing and Human Settlement Developments.

She is also a former under-secretary-general of the United Nations and executive director of the United Nations Human Settlements Programme (UN-HABITAT). Until her resignation in 2010 to run for political office in Tanzania, she was the 2nd highest ranking African woman in the UN system.