Where the US midterm elections will be won and lost
This article provides a visual guide and analysis of the upcoming US midterm elections, focusing on the battle for control of the House and Senate. It highlights the impact of President Trump's low approval ratings on the Republican party's chances of maintaining their majority.
Why it matters
The outcome of these elections will determine the legislative power balance for the remainder of the presidential term, significantly impacting US domestic and foreign policy.
Americans head to the polls on 3 November to decide how the rest of Donald Trump's presidency will play out.
Thousands of races are taking place across the US, at different levels of government. But the main event for voters will be electing members of the House of Representatives and the Senate, the two chambers that make up Congress.
Both of them are currently controlled by the Republicans, the president's party. The success or failure of Trump's final two years in office could rest on the outcome.
Here's our visual guide to where the battle for power will be won and lost - from approval ratings, to key races and issues and the huge amount of money being spent.
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