The “blue wall” refers to a group of states that consistently voted Democratic in presidential elections from 1992 to 2012. Former President Donald Trump managed to flip three of those states in 2016, although President Joe Biden won them again in 2020.

Here's what you need to know about the blue wall states as votes continue to come in:

Which states are part of the “blue wall”?

Three key states are included in the “blue wall”. They are:

• Michigan
• Pennsylvania
• Wisconsin

Who won the Blue Wall states in 2016?

Democratic candidate Hilary Clinton won the majority of blue wall states in 2016, but Trump prevailed against Wisconsin, Pennsylvania and Michigan.

Who won the Blue Wall states in 2020?

Biden won all the blue wall states in 2020 and managed to swing Wisconsin, Pennsylvania and Michigan back to the Democrats.