World Oil Demand

The world consumes about 103 million barrels of liquid fuels per day in 2026 — a thousand barrels a second — against projected supply of 101 Mb/d (EIA). Below: the official balance, the biggest consumers, and the peak-demand debate.

World Supply–Demand Balance (EIA STEO, Mb/d)

202520262027 (fcst)
World production106.1100.8109.7
World consumption104.0102.7105.0
Implied balance+2.1-1.9+4.8

Positive balance = inventories build (bearish); negative = draw (bullish). Source: EIA STEO.

Oil Demand FAQ

How much oil does the world use per day?

About 103 million barrels of liquid fuels per day in 2026 (EIA estimate) — roughly 37 billion barrels a year, or about 1,000 barrels every second. Supply is projected at 101 Mb/d.

What is oil actually used for?

Transport dominates: roughly 60% of demand is gasoline, diesel and jet fuel for cars, trucks, ships and planes. The rest is petrochemical feedstock (plastics, fertilizer — the fastest-growing slice), heating, and industrial fuel. See the full breakdown on the oil-uses page.

When will oil demand peak?

The great debate. The IEA sees a plateau this decade as EVs and efficiency bite (Chinese transport-fuel demand may already be peaking); OPEC projects growth into the 2040s on petrochemicals and developing-Asia demand. Even "peak" forecasts describe a long plateau, not a cliff — demand near 100 Mb/d persists for years in every mainstream scenario.

Which countries use the most oil?

The United States, China and India, in that order — together roughly 40% of world demand.