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 |

There were more than 7 billion people on earth in 2013. While this is the highest number ever, the population growth rate has been steadily declining, in part due to declining fertility rates. …

Emi Suzuki |

As countries all across Africa recognize International Day of the African Child today, I thought it would be a timely opportunity to blog about the progress of under-five child mortality rates…

Dereje Ketema Wolde |