A restriction on the number of people allowed (e.g., at a venue or event). Often set for safety, infection control, or regulatory reasons.
コンサートは会場の人数制限のため、入場が抽選になった。
Because of venue capacity limits, admission to the concert was by lottery.
飲食店は感染対策として人数制限を実施している。
Restaurants are enforcing limits on the number of customers as an infection-control measure.
この会場はスペースが狭いので人数制限が必要だ。
This venue needs a limit on the number of people because the space is small.