Barack ObamaBarack Hussein Obama4 ways Hillary looms over the 2020 race Obama goes viral after sporting black bomber jacket with '44' on sleeve at basketball game Obama attends UNC-Duke basketball game MORE and John McCainJohn Sidney McCainMellman: Where are good faith and integrity? GOP senator says Republicans didn't control Senate when they held majority Pence met with silence after mentioning Trump in Munich speech MORE have run roughly the same number of negative campaign ads on local TV during the 2008 race, TV ratings and statistics authority Nielsen has found.

Nielsen counts the number of negative local TV ads--each time a negative ad appears on local TV--at 76,238 for John McCain and 75,246 for Barack Obama. The count does not appear to include ads run nationwide on cable TV.

The hotly contested battleground state of Ohio has seen the most negative local ads of any state in the nation, with 25,434 being run there by the two campaigns combined. Michigan, Pennsylvania, and Wisconsin followed Ohio in volume of negative ads.