President-elect Donald Trump's approval rating jumped six points, one of his all-time highs while outgoing president Joe Biden's ratings dropped to a four-year low, according to a new poll. The Emerson College poll surveyed a hypothetical 2028 candidate with JD Vance topping with 30 per cent, followed by Florida Gov Ron DeSantis 5 per cent, Vivek Ramaswamy 3 per cent, Kennedy jr and Nikki Haley tied at 2 per cent.