Republicans: Incumbent

The President has a large advantage in the primaries because he is the incumbent (the one who is holding office). He still has a huge base for support and is favored strongly by the Republican Party.

Donald Trump, 73

President of the United States, reality TV star

Important issues: Tax cuts, tighter immigration laws.

Unemployment rates have heavily dropped under the Trump administration and his economic policies have gained a lot of support. 

As impeachment hearings continue, Trump is at the center of an investigation that could damage his campaign heavily. 

Fun fact: His wife, Melania Trump, cuts his hair.