A demand schedule is a table showing the quantities consumers are willing and able to buy at different prices.
Each row pairs a possible price with a corresponding quantity demanded, assuming other influences such as income, tastes, and prices of related goods remain constant. Plotting those pairs produces a demand curve.
A demand schedule is not the same as a supply schedule. A supply schedule records quantities sellers are willing to offer, whereas a demand schedule records buyers’ planned purchases. The two schedules can be compared to identify a market-clearing price and quantity.
Demand schedules may describe one consumer or an entire market. A market demand schedule is formed by adding quantities demanded by all buyers at each listed price, a process economists call horizontal summation.