令和5年に東京ドーム3個分の屋上緑化が創出 ～全国屋上・壁面緑化施工実績調査の結果～

Urban Farm DB summary

MLIT's national survey of rooftop and wall greening construction results for FY2023 found about 15.7 hectares of new rooftop greening (roughly three Tokyo Domes) and 5.0 hectares of new wall greening that year, bringing the cumulative totals since FY2000 to about 615 hectares of rooftop greening and 125 hectares of wall greening. The survey was mailed to 560 companies nationwide with 284 responses (a 50.7% response rate).

Only numbers and their conditions are stored, as structured data — never the source's own sentences. Metric and condition names stay in English, as coded.

• 15.7 ha

  annual installed area(rooftop greening)

  Design

  region

  Japan

  year

  令和5年(2023)

• 615 ha

  cumulative installed area(rooftop greening)

  Design

  region

  Japan

  period

  平成12年-令和5年(2000-2023)

• 5 ha

  annual installed area(wall greening)

  Design

  region

  Japan

  year

  令和5年(2023)

• 125 ha

  cumulative installed area(wall greening)

  Design

  region

  Japan

  period

  平成12年-令和5年(2000-2023)

• 50.7 %

  response rate(survey)

  Socialn = 560

  respondents

  284

  target

  560

Direction of conclusions

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