Barack Obama vs Donald Trump
They are 7.3 apart on the PoliMap compass, a 74% match with each other on this chart.
Barack Obama (Liberal US president) and Donald Trump (Right-populist US president) are useful to compare because their public records pull toward different mixes of markets and authority. The gap of 7.3 is the straight-line distance between the two coordinates, not a moral score.
See where you land between them