Data: American Gaming Association; Chart: Thomas Oide/Axios
When the 2018 World Cup kicked off, three U.S. states (Nevada, New Jersey, Delaware) had legal sports betting markets. Four years later, that number has ballooned to 31 states, plus Washington, D.C.
Why it matters: With the World Cup coinciding with the NFL and college football for the first time, the next few weeks should generate huge betting volume across the country.
