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 |

A new report on mental health in Ukraine offers a sobering picture of the often-ignored disease burden of mental disorders, which undermine human capital development and total wealth accumulation…

Patricio V. Marquez, Feng Zhao |

[[tweetable]]How fast is your city growing? The answer may depend on where you live.[[/tweetable]] There are the booming megacities such as Tokyo, Mumbai, and Nairobi. Then there are cities that…

Ede Ijjasz-Vasquez, Paula Restrepo Cadavid |

Also available in: Español | Français Kiev, Ukraine. Creative commons copyright: Mariusz Kluzniak As the world is increasingly interconnected, international taxation – traditionally more of a…

Oleksii Balabushko, Jan Loeprick, Sebastian Beer, Felipe Pinto Vallada |

Turkey is a transcontinental country, with territory contiguously spanning two continents. It is bordered by eight countries and is circled by sea on three sides. The international airport in…

Prof. Dr. Recep Akdağ |

Editor's Note: Join us April 22nd at 10AM ET for the 2017 Global Infrastructure Forum when the Multilateral Development Banks (MDBs), the United Nations, the G-20, and development partners…

Matthew Jordan-Tank, Vamsee Kanchi |

Kazakhstan. Photo: Kubat Sydykov / World Bank How large is the share of public procurement to GDP in middle-income and low-income countries and how it is evolving? If sizable, can public…

Simeon Djankov, Federica Saliola, Asif Islam |

He often used a stick or an iron wire to beat her. Her body was covered in bruises, sometimes in all kinds of colors. Hamada's husband, frustrated with losing his son and his job in warring…

Bassam Sebti |

We've just launched a new, pilot global subnational population database featuring time series population estimates for 75 countries at the first-level administrative divisions (provinces,…

Dereje Ketema Wolde, Emi Suzuki |