Mayors in five Indonesian districts increased their budgets for family planning substantially, prompted by evidence on the returns for their investment. The budget increases ranged from 20% in Bandung to nearly 80% in Pontianak district from 2010 to 2013.  This case studies described how advocates in Bandung, Bogor, Karanganyar, Karawang, and Pontianak used an approach developed and facilitated by the Advance Family Planning initiative to gather and synthesize the evidence for increasing allocations and presented it to the mayors.