How much in tons of human waste (poop) is needed to produce a given amount of bio-fuel?

Sorry, I am confused. The question is, how much of human waste do I need to produce 1 KW of electrical energy?

How about garbage? How much of household garbage do I need to produce a 1KW of power?
Update: Garbage generate methane. Methane is used to produce electricity. Using an electric generator that uses methane as energy source, how much of garbage to produce methane do I need to generate 1 KW of electric power?
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