At one point during his presidency, Obama’s approval rating (by Gallup) was also 38%.

And Obama's highest was 69%. Overall his average was 48% for 8 years.

Trump's highest was 45% for a one week time period. His lowest was 35% for multiple time periods.

Go below 30% and the President is toast. Who has done the sub 30%: Nixon, Carter, Bush I, and Bush II.

I dont think thats nixson in that picture, on another note, notice that his ratings kept goin down after he left. Wonder what they'd be today; )

Nizon quit in Aug 1974