In inclusive wealth sustainability is defined as positive change in human well-being.
A country’s inclusive wealth is the social value (not dollar price) of all its capital assets, including natural capital, human capital and produced capital.
If inclusive wealth is positive, then well-being across generations is positive.
Well-being across generations
The inclusive wealth index measures the wealth of nations by carrying out a comprehensive analysis of a country’s productive base. That is, it measures all of the assets from which human well-being is derived, including manufactured, human and natural capital. In this, it measures a nation’s capacity to create and maintain human well-being over time.