[intexpress]

Not necessarily. Humans brains use a tiny amount of power. Most of the human cost would be due to the very high cost of housing in many locations.

[sidkshatriya]

Yes I agree and this is what I meant. The cost of electricity, petroleum, transportation, the cost of goods brought in from around the world to feed and clothe the human and so on.

The real power required to support a human life in a developed country is a lot. Wattage for the human brain is definitely miniscule in comparison.