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When the income of a customer grows, the demand for goods and services also grows and the demand curve moves rightward. On the other hand, when the earnings of a customer drop, the demand for goods and services also falls and demand curve shifts leftward.

Differences in taste and choices vary the quantity demanded of a good at every cost and thus, shift the demand curve. For sample: because of the result of western civilization in India, people's affections are switching more towards western cloths.

Change in the arrangement of the population also moves the demand curve leftward or rightward. For example: In a society with a relatively more female population will have more demand for goods like makeups. The demand curve for these goods will move rightward.

The demand for goods and services can also be influenced by the shifts in the prices of corresponding goods. These goods can be replacement goods or complementary goods.

Substitute goods: These are the goods and services which can be utilized in place of different goods and services. When the cost of a substitute good gains, the demand for other goods gains. For example, tea and coffee are substitute goods. When the price of coffee gains, the demand for tea gains.

Complementary goods: These are the goods that are utilized jointly and generally, consumption of one good cannot be feasible without another good. For example car and petrol. If the cost of petrol grows, the demand for cars drops, and, if the price of petrol drops, then demand for cars grows.

Anticipations about prospective prices also impact the amount demanded. For example: assume the price of sugar. If individuals are wishing today that the cost of sugar will rise in the future, then demand sugar gains today. This generates a rightward shift in the demand curve of sugar today.