Alaska is one of the hardest-working states in America. That's based on a Labor Day study by personal finance website Wallethub. It ranked all 50 states on 10 key factors, including the number of people with multiple jobs, the average hours worked per week, and the unemployment rate. North Dakota placed first, followed by Alaska in second and South Dakota in third place. Nebraska and Wyoming round out the top five hardest-working states in the U.S. The least hard working states are New York and New Mexico.