Our data journalism column also features stories looking at the history of African borders, Spain's prisoner release ...

A robust defensive capability would not only enable the EU to defend itself against Russia. It would also enable Brussels to stand up to Washington.

As the world’s population increased five-fold since the start of the 20th century, the changes in the geographic distribution of the billions of people across the planet have been ongoing and signific ...

After decades of population growth and falling birth rates, Europe's populations are now beginning to age and shrink. Policymakers have not always recognized this. A coherent migration policy ...