With its comparatively open and well-regulated immigration system, Canada remains a top destination for immigrants and refugees.

Brexit supporters argue that the EU threatens sovereignty and stifles growth, while opponents counter that EU membership strengthens trade, investment, and the UK’s standing in the world.

The G20 summit comes amid tensions over trade, climate, and refugee policy and increased uncertainty over the U.S. commitment to multilateral institutions.

As the United Kingdom recovers from a string of terror attacks, the country’s parliamentary elections could determine the course of its Brexit negotiations, trade and economic policy, internal border…