The annual total surpassed the previous yearly record of $12.8bn, set in 2007, by 4.7%, while this was also 70.3% higher than $7.87bn posted in 2020, according to figures published by the Nevada Gaming Control Board.
Slot machines were by far the main source of revenue in Nevada over the past 12 months, generating $9.22bn, up 70.1% on 2020, though the previous year saw the state face much stricter Covid-19 measures, when casinos were closed for large periods.
Multi-denomination slot games accounted for $4.28bn of total slot revenue in 2021, while penny-slot machines generated $3.76bn in revenue during the year.