We're sorry but this petition is now closed.
We'll be handing petition signatures into the Tanzanian government at an event in the new year.
You can follow the campaign and find out more about our work on child marriage here.
Registered Charity No. 276035
Switchboard: +44 (0) 300 777 9777
Plan International UK
Finsgate, 5-7 Cranwood Street
London, EC1V 9LH UK