Question: How many barrel of oil are used each day?
Disambiguated questions and answers: question: How many barrels of oil are used each day globally?
How many barrels of oil are used each day in the United states?
answer: 93 million
93 million barrels per day
99,558,000
20,000,000
Natural Questions answer: 93 million bbl / day (from the Wikipedia article "List of countries by oil consumption")