As cornerstones of worldwide sustainable development, the circular economy
and the circular carbon economy are profoundly interrelated. However, opinions differ
on how to optimize the circular economy towards reducing carbon dioxide emissions.
This article aims to investigate the different levels of readiness for the circular carbon
economy within G20 member countries in the domain of economic efficiency. In that
regard, a selection of circular carbon economy sub-indicators has been analysed.
Through the use of secondary data, tendencies towards change in this variability were
found. The degree of adoption of a circular carbon economy differs among the G20
economies. In terms of the various factors considered in the G20 member countries, the
current analysis has determined that there continue to be substantial differences
between the best performers and their enabling factors.