This document discusses informal settlements in Cape Town, South Africa. It notes that there are 146,000 households living in 437 informal settlement pockets in Cape Town that were established before democracy but are still not recognized as permanent. The document highlights efforts by Code for South Africa to digitize informal settlement data and make it publicly available in order to help drive social change. It also discusses citizen engagement efforts around the city's budget to improve sanitation services for informal settlements and the impact this has had on government response and projects.