There are no purely capitalist or purely socialist countries in the world. In its purest form, capitalism will lead to slavery with a handful of individuals controlling most means of production. In its purest form, socialism too will lead to slavery with a handful of individuals controlling most means of production.
What the world needs is a capitalist welfare state. Government has no business owning and running businesses. Capitalism with oversight will foster entrepreneurship and ensure fare wages are paid and rights of workers are protected. It will improve productivity and increased tax revenue for government which can then be sued to support the struggling class of the society. A universal basic income, basic standard of living, basic education and basic healthcare if what a government should focus on.