Entering data. Photo: World Bank In the fiscal transparency arena, people often hear two conflicting claims. First, governments complain that few people take advantage of fiscal information that…

Paolo de Renzio, Massimo Mastruzzi |

This satellite image shows Sao Paolo's estimated “urban areas” based on a WorldPop gridded population layer. Areas in yellow are areas with at least 300 people per km2 and a known settlement…

David Mason |

Globally 2.9 million people died from household air pollution in 2015, caused by cooking over foul, smoky fires from solid fuels such as wood, charcoal, coal, animal dung, and agricultural crop…

Ernesto Sanchez-Triana, Bjorn Klavdy Larsen |

Also available in: 中文 ​While the need for housing is widespread, individually people have different needs—depending on whether they are single, married, senior citizens, families with children, or…

Luis Triveno, Ellen Hamilton |