US presidential candidate Donald Trump has opened up a 30-point lead nationally over his rivals for the Republican nomination, according to a new poll.
The billionaire businessman is trouncing his opponents with a 40.6 percent support, a Reuters-Ipsos tracking poll, released on Friday, has found.
Senator Ted Cruz of Texas, his closest competitor, stood at 10.5 percent.
Retired neurosurgeon Ben Carson was the third with 9.7 percent, former Florida Governor Jeb Bush was the choice of 9.2 percent of those surveyed and Florida Senator Marco Rubio received 7.2 percent support.
Although Trump is leading nationally, some polls have shown that Sen. Cruz is on top of the race in the key state of Iowa with the caucuses just days away.
A hypothetical match-up found that Democratic front-runner Hillary Clinton and Trump are locked in a tight race nationally-- 41.4 percent to 40.8 percent respectively.
A separate poll released on Friday showed that Clinton has a 29-point lead over rival Bernie Sanders in Iowa.
The former secretary of state has 59 percent support in the Hawkeye State, while Sanders, a senator from Vermont, stands at 30 percent, according to the Loras College survey.
However, another poll has put Sanders ahead of Clinton by eight points in Iowa.
The Vermont senator received 51 percent support to Clinton's 43 percent, the CNN-ORC poll released on Thursday found.
The Iowa caucuses now appear headed for a close finish, which is likely to hearten Sanders’s supporters heading into the key state of New Hampshire, where he holds a lead over Clinton.
Sanders is leading Clinton by 27 points in New Hampshire, a new CNN/WMUR poll has found. Sanders is the favorite choice of 60 percent of likely Democratic primary voters in the Granite State compared to 33 percent for Clinton.
New Hampshire holds the nation’s first primary elections and is considered an early measurement of the national attitude toward the candidates.
Along with the Iowa caucuses, the New Hampshire primary is the first in a series of nationwide party primary elections held in the United State every four years to choose the party nominees for the presidential elections to be held in the following November.