Sen. Barack Obama leads Sen. Hillary Clinton nationally; that’s what the Associated Press/Ipsos Poll, Reuters/Zogby Poll, ABC News/Washington Post Poll, Rasmussen Reports Daily Tracking Poll, Gallup Daily Tracker Poll, and Newsweek Poll conducted countrywide in the month of April say.

Newsweek Poll conducted nationwide from April 16-17, 2008. The poll showed that Obama lead Clinton with 54% to 35% popular vote nationally.  The poll with Margin of Error: ± 5.0% was conducted on Sample Size: 588.

Gallup Daily Tracker Poll conducted nationwide from April 15-17, 2008. The poll showed that Obama lead Clinton with 47% to 44% popular vote nationally.  The poll with Margin of Error: ± 3.0% was conducted on Sample Size: 1,231.

Rasmussen Reports Daily Tracking Poll conducted nationwide from April 14-17, 2008. The poll showed that Obama lead Clinton with 46% to 41% popular vote nationally.  The poll with Margin of Error: ± 4.0% was conducted on Sample Size: 900.

ABC News/Washington Post conducted nationwide poll from April 10-12, 2008. The poll showed that Obama lead Clinton with 51% to 41% popular vote nationally.  The poll with Margin of Error: ± 4.0% was conducted on Sample Size: 643.

Reuters/Zogby conducted nationwide poll from April 10-12, 2008. The poll showed that Obama lead Clinton with 51% to 38% popular vote nationally.  The poll with Margin of Error: ± 4.3% was conducted on Sample Size: 532.

Associated Press/Ipsos conducted nationwide poll from April 7-9, 2008. The poll showed that Obama lead Clinton with 46% to 43% popular vote nationally.  The poll with Margin of Error: ± 4.4% was conducted on Sample Size: 489.