Trump made deportation of undocumented immigrants one of his campaign promises (and the building of a wall to prevent further immigration). And once taking office, he appointed a Homeland Security director and Attorney General that agreed with his tough stance on undocumented immigration. Has he lived up to that promise?
The answer would have to be NO. In the first year of his presidency, Trump has overseen 177,000 fewer deportations than President Obama did in his first year -- and in fact, Trump's first year deportation numbers are lower than in any year of President Obama's 8-year term.
Part of the reason is that, in spite of an increase in immigration arrests, there have been 150,000 fewer arrests at or near the border. Fewer people are trying to enter the country without documentation -- which gives the lie to Trump's claim that a massive invasion of people is happening, and a wall is needed. The truth is that the wall (a $20-$30 billion dollar boondoggle) is not needed.