Data from the European Centre for Disease Prevention and Control show Sweden has a fortnightly infection rate of 37 cases per 100,000 people. This is much lower than France, with 60 cases per 100,000 and Spain at 152.7 cases per 100,000.

https://www.zerohedge.com/medical/swedens-covid-19-measures-hint-herd-immunity-us-experts-rethink-lockdown-strategies

https://www.marketwatch.com/story/sweden-has-developed-herd-immunity-after-refusing-to-lock-down-experts-claim-its-coronavirus-infection-rate-is-falling-2020-08-24