The host venues were announced today.
Canada
Toronto - BMO Field (expanded to 45,500)
Vancouver - BC Place (54,500)
US
Atlanta - Mercedes-Benz Stadium (75,000)
Boston - Gillette Stadium (70,000)
Dallas - AT&T Stadium (92,967)
Houston - NRG Stadium (72,220)
Kansas City - Arrowhead Stadium (76,416)
Los Angeles - SoFi Stadium (70,240) - needs a renovation because it's not wide enough for soccer
Miami - Hard Rock Stadium (67,518)
New York/New Jersey - MetLife Stadium (87,157)
Philadelphia - Lincoln Financial Field (69,796)
San Francisco Bay Area - Levi's Stadium (68,500)
Seattle - Lumen Field (69,000)
Mexico
Guadalajara - Estadio Akron (48,071)
Mexico City - Estadio Azteca (87,523)
Monterrey - Estadio BBVA (45,460)
This will be the first FIFA World Cup with 48 teams, in groups of 3 and an expanded knockout round with 32 teams. It's going to be a bit of a mess (especially with staggered matches), so we'll see how it goes.