From 20% of GDP to 40% of GDP today
From a 34 regulatory agencies/offices to 77 today.
From 5 percent of occupations needing a license in 1950 to 23 percent today
From zero federal environmental review in 1950 to 26 months today for major projects.
From almost zero collective bargaining agreements in the public sector in 1950 to approximately 36 percent of public sector workers being covered by them today.
From 9,700 pages in the Code of Federal Regulations in 1950 to 200,000 pages today.
This idea that the private sector is crowding out the government isn't supported by any empirical evidence, though it's a very common narrative and widely believed.