market slotSLOT MACHINES MARKET OVERVIEW. The global slot machines market size was valued at USD 2.71 billion in 2025 and is expected to reach USD 3.02 billion in 2025,In terms of revenue, the global slot machines market size was valued at around USD 9.5 billion in 2022 and is projected to reach USD 13.4 billion, by 2030. The global slot machines market is