Madagascar's tax collection as a share of GDP is just under 11 percent. Poor compliance by citizens who owe taxes remains a major reason for low tax collection. Mobile text reminders had a…

Tiago Carneiro Peixoto, Herilala Axel Fanomezantsoa, Fredrik Sjoberg, Jonathan Mellon |

As the world observes World Environment Day this week, we should be mindful that [[tweetable]]there will be more plastic in the oceans than fish by 2050 if nothing is done[[/tweetable]], according…

Silpa Kaza, Lisa Yao |

As the world becomes increasingly urbanized, the number of megacities is growing rapidly. Today there are 37 cities worldwide with populations of greater than 10 million, and 84 with populations…

Philip E. Karp, Peter Ellis, Barjor Mehta |

Those of you who have visited Dubai in recent years may relate to what I am going to say: Dubai is in the middle of the desert, and its land, not that long ago, was really worth nothing. Now it is…

Wael Zakout |

Photo: Evan Blaser/Flickr The concentration of population in cities and their exposure to seismic hazards constitute one of the greatest disaster risks facing Peru and Ecuador. In 2007, a…

Sofía Guerrero Gámez, Georges Darido, Ignacio Sánchez D’Ocon, Naho Shibuya |

It’s been six years since the citizens of the Middle East and North Africa came into the streets to demonstrate against, among other pressing issues, economic injustice and lack of government…

Wael Elshabrawy |

Students at Beijing Bayi High School in China. Photo: World Bank In 1950, the average working-age person in the world had  almost three years of education, but in East Asia and Pacific (EAP), the…

Michael Crawford |

​Today, a quarter of the world’s population lives in urban “agglomerations”—supersized metropolitan areas that cut across jurisdictional boundaries and bring together one or more cities along with…

Ede Ijjasz-Vasquez, Philip E. Karp, Maria Angelica Sotomayor |

Earlier this year, the Metropolitan Policy Program and the Center on Children and Families at Brookings released a study on multidimensional poverty and race in America. The study shows why it’s…

Paul Prettitore |

While waiting for peace negotiations in Kuwait to help end the year of conflict in Yemen after claiming thousands of mainly civilian lives, Yemenis are striving for security to be restored to get…

Walid Al-Najar |