(CNN) - Despite his sagging poll numbers, Sen. John McCain said Sunday that he is "very happy with where we are" and very proud of his campaign.
"We're doing fine," the Arizona senator said in an interview on NBC's "Meet the Press." "We are very competitive in many of the battleground states."
CNN Election Tracker: Take a look at the latest polling across the country
McCain brushed off polls that show him trailing Sen. Barack Obama, saying those numbers are "all over the map."
"Those polls have consistently shown me much further behind than we actually are. It all depends on the voter turnout ... we're doing fine. We have closed in the last week." he said. State-by-state polling
Obama leads McCain by 8 percentage points (50-42 percent), according to CNN's latest average of national polls.
McCain also spoke out against recent criticism of his running mate, Gov. Sarah Palin.