Republican front-runner candidate Donald Trump has a big lead in the race for the 2016 presidential nomination nationally, swamping his opponents with a 40.6 per cent share of those surveyed, a Reuters-Ipsos tracking poll found on Friday.
The survey of 582 respondents found Trump with a higher percentage of the vote than his next four challengers combined, with Texas Senator Ted Cruz drawing 10.5 percent, retired neurosurgeon Ben Carson with 9.7 per cent, former Florida Governor Jeb Bush at 9.2 per cent and Florida Senator Marco Rubio with 7.2 per cent.