The study ranked states using 12 financial metrics like credit scores and debt ratios. WalletHub is out with a new report showing the states with the best and worst budgeters. Unfortunately, many people were never taught how to budget, so states should strongly consider requiring instruction on budgeting in schools." In fact, Washington has the lowest median student loan debt in the country, at about 27% of the state’s median income. The state has the lowest median credit card debt (about 4% of median income) and lowest car loan debt (about 20% of median income).