From Johan Norberg:
…But in one century, everything was changed. Sweden had the fastest economic and social development that its people had ever experienced, and one of the fastest the world had ever seen. Between 1850 and 1950 the average Swedish income multiplied eightfold, while population doubled. Infant mortality fell from 15 to 2 per cent, and average life expectancy rose an incredible 28 years. A poor peasant nation had become one of the world’s richest countries.
…And so Sweden—a small country of nine million inhabitants in the north of Europe—became a source of inspiration for people around the world who believe in government-led development and distribution.
But there is something wrong with this interpretation. In 1950, when Sweden was known worldwide as the great success story, taxes in Sweden were lower and the public sector smaller than in the rest of Europe and the United States.
Read more at How Laissez-Faire Made Sweden Rich | Libertarianism.org.