Louisiana Corporate Tax Rates Neither Highest Nor Lowest in Country
Levied in 44 states, corporate income taxes account for a relatively small share of state revenue  5.2 percent of state tax collections and just over 2 percent of all state revenue, including federal transfers. Top rates range from a low of 4.53 percent in North Dakota to a high of 12 percent in Iowa. Louisiana’s rates fall in the median of corporate tax rates nationwide, topping out at about 8%.
Read the full article and download State Corporate Tax Rates and Brackets for 2015 spreadsheet on TaxFoundation.org