natural capital
As of July 10, 2026
Energy reserves
$42 trillion
2.3% of Earth's market cap · accreted
The asset value of proven fossil-energy reserves still in the ground — oil, natural gas and coal.
Value
$42T
current estimate
Share of Earth
2.3%
of total global wealth
Update mode
accrete
how it is marked
In headline
Yes
summed into the total
Energy reserves over time
Value in US dollars (trillions), 2000-01 → present.
How it's valued
In-ground fossil-energy wealth — oil, gas & coal (World Bank CWON natural capital).
Double-count treatment: Subsoil energy assets only; the extraction equipment above ground sits in produced capital.