noun
beneficiary zone; area of benefit
Technical term used in urban planning and public works to describe the area or population that will benefit from new infrastructure or facilities. Often contrasted with 受苦圏 (じゅくけん, 'burden zone').
See also: 受苦圏
新駅の受益圏は半径1キロメートルと推定された。
The beneficiary zone of the new station was estimated to be within a 1-kilometer radius.
受益圏と受苦圏のバランスを考慮して計画を立てる必要がある。
It is necessary to plan considering the balance between the beneficiary zone and the burden zone.
Compound of 受益 (じゅえき, 'benefit') and 圏 (けん, 'sphere' or 'zone'). The term is a modern coinage used in policy and planning contexts.