Now Mercatus has completed an analysis of state-level regulation. State RegData 1.0 analyzes the administrative codes of 46 states plus the District of Columbia, and the results are informative. The average state has 131,000 restrictive terms and about 9 million words in its code, which would require roughly twelve work weeks to read at a normal reading pace.
But there is huge variation. The least regulated state is South Dakota, with about 44,000 regulatory restrictions, while the most regulated state is California, with 395,000. All told, the least regulated states are South Dakota, Alaska, Montana, Idaho, and North Dakota, while the most regulated states are California, New York, Illinois, Ohio, and Texas.
Unfortunately, we weren’t able to include Vermont, New Jersey, Arkansas, and Hawaii. Arkansas is the easiest to explain: It has no administrative code, at least not yet. Its state agencies produce regulations, but until this year no one had ever bothered to compile them in one place. Fortunately — perhaps partly in response to RegData — legislation was passed this year to create an official Code of Arkansas Rules by January 2023, so Arkansas’s regulatory landscape will eventually come to light.
That is from James Broughel and Patrick A. McLaughlin, there is more at the link.