Why is Trump imposing tariffs and which countries will be hit hardest? - in charts

These graphics explain how the US trade deficit has changed, why Trump may be targeting certain countries with tariffs - and what the impact could be

The US president, Donald Trump, has put global leaders ill at ease with his threat of tariffs.

After announcing and then delaying tariffs on Canada and Mexico, hitting Chinese goods with an additional 10% tariff and also threatening the European Union, countries and markets are concerned about where the US president will go next.