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Ben Carson is gaining on Donald Trump

September 28, 2015, 2:30 PM UTC
CPAC 2015
UNITED STATES - FEBRUARY 26: Dr. Ben Carson speaks to address the crowd at CPAC in National Harbor, Md., on Feb. 26, 2015. (Photo By Bill Clark/CQ Roll Call)
Photograph by Bill Clark — CQ-Roll Call,Inc./Getty Images

Donald Trump and retired neurosurgeon Ben Carson are running pretty close in the national Republican presidential race, according to a newly released NBC News and Wall Street Journal national poll.

While Trump is still ahead with 21% of Republican primary voters’ support, Carson is now at 20%, the new poll found. Meanwhile, former Hewlett-Packard (HPQ) CEO Carly Fiorina and Sen. Marco Rubio of Florida are tied at 11% each. Florida’s Governor Jeb Bush has 7% in the poll.

According to CNN:

On the Democratic side, Clinton—who held a 60-point lead over Sanders in June—has slipped to a 7-point advantage over the Vermont senator among Democratic primary voters, 42% to 35%. Vice President Joe Biden, who has not yet declared whether he will seek the Oval Office, comes in third with 17%. No other Democrat received more than 1%.

The poll was conducted in the Sept. 20-24 period and surveyed 230 Republican primary voters and 256 Democratic voters, according to CNN.

For more on Carson, read this in-depth article Fortune wrote about him in 1992.