Over the last two decades, international migration has become a global issue. It is perceived as an ongoing challenge for governments, as well as an issue that is deeply related to other international challenges, such as development, climate change, security and public health. In this context, international organisations have become influential in the way in which migration is thought about and governed. They play an important role, steering states behaviour and intervening on the ground, through the design and implementation of immigration policy.

International organisations tend to...