(CNN) - Voters in Mississippi identified the economy as the number one concern Tuesday.
According to early CNN exit poll estimates, 56 percent of voters said the troubled economy was the biggest issue in deciding their vote. Fifty-four percent of those Mississippi residents cast their ballot for Sen. Barack Obama, 45 percent for Sen. Hillary Clinton.
Iraq and health care also registered as top issues for voters. Twenty-one percent thought the war in Iraq was the most critical issue facing the country, while another 21 percent felt that fixing nation's health care system was their number one concern.
–CNN's Emily Sherman