CIRCLE ECONOMY：2025年循环性差距报告: 全球行动呼吁（英文版）

The Circularity Indicator Set is a system of tiered indicators designed to measure how circular an economy is. This indicator set and its underlying measurement framework, which are explored in more depth in the methodology document of the Circularity Gap Report 2025, has been historically used by and built upon by Circle Economy to provide insight into all inputs and outputs of an economy. Our ‘Circularity Metric’—or Input Technical Cycling rate—is perhaps the most well-known of these indica