Difference Between Demand and Quantity Demanded

Edited by Diffzy | Updated on: June 06, 2023


Difference Between Demand and Quantity Demanded

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Demand and quantity demand is economic phrases that may appear abstract at first, but once understood, it is evident that they have a direct impact on many of the items you encounter in your daily life.

The concept of demand vs. quantity demanded, believe it or not, influences the price of petrol, energy, coffee, mobile phones, cars, and much more. It also has an impact on the industry you work in, the economy's stability, and much more.

Demand vs Quantity Demand

The key distinction between demand and the amount required is that demand expresses a person's desire and capacity to purchase. The quantity demand, on the other hand, shows the quantity of an economic commodity or service wanted by customers at a fixed rate.

DefinitionDemand is referred to the customer's willingness and capacity to pay the cost for a commodity or service.Quantity Demanded shows the exact amount (how much) of a commodity or service that consumers want at a specific price.
What exactly is it?It specifies the quantity that can be bought at various pricing.It is the real quantity of commodities requested at a given price.
ReasonsFactors other than pricePrice
Change measurementDemand curve shiftThe movement of the demand curve
Effects of a real price changeThere has been no change in demand.Variation in the quantity demanded.

What Is Demand?

Demand is just a consumer's desire to purchase products and services without doubt and pay the price for them. Simply said, demand is the number of goods that customers are willing and able to purchase at various prices over a certain time. The key elements of demand are preferences and choices, which can be expressed in terms of cost, perks, profit, and other factors.

The quantity of items selected by customers is modestly determined by the price of the product, the price of other goods, the customer's money, and his or her preferences and predilection. Demand for a commodity is the volume of a product that a consumer is willing to buy, able to pay for at the given pricing of goods, and the customer's preferences and tastes.

Determinants of Demand

Many factors influence demand, but the top five are as follows:

Cost of the product: Demand for a product varies with the price of a commodity. Only when all the variables that affect how people choose to purchase a thing remain consistent will people's purchasing decisions.

The consumers' incomes: The quantity of items requested also rises as income does. In a similar line, demand increases as income decreases.

Prices for comparable goods and services: An increase in the price of one product will result in a drop in demand for complementary goods. For instance, the demand for butter will decline when the price of bread rises. Similarly, to this, a hike in the price of one product will result in a rise in demand for its equivalent. For instance, if tea prices go up, more people would drink coffee, which will lead to fewer people drinking tea.

Consumer expectations: High expectations for income or for the price of a good to rise also result in higher demand. Similarly, to this, low-income expectations or low prices for items will reduce demand.

Market purchasers: If there are a greater or lesser number of buyers of a commodity, then the level of demand will change.

Types of Demand

There are many types of demand. Some of them are listed below:

1. JOINT DEMAND: This refers to the demand for complementary goods, or, to put it another way, for services or goods that are combined.

For instance, people frequently purchase a package of butter or jam in addition to bread, or they purchase specific extras or insurance with a new car.

2. COMPOSITE DEMAND: When products and services are used for many purposes, this is referred to as a composite demand.

For instance, sugar is used to make both chocolates and ice cream. So, the more sugar is used to make ice cream; the less will be left over to make chocolates.

3. PRICE DEMAND: The amount of money that a consumer is ready to spend on the good is referred to as price demand. Businesses utilize this data to determine the ideal pricing at which to introduce new goods to the market. Price elasticity describes how demand will shift in response to price changes.

4. INCOME DEMAND: The quantity demanded increases together with the rise in consumer income. Simply put, when people make more money, they tend to spend more. Customers will frequently purchase a good or service that they can afford. They can decide to buy inferior goods as well. However, when income rises, the desire for these lower-quality goods will decline.

5. COMPETITIVE DEMAND: When clients have a selection of alternative services or goods, competitive demand develops.

For instance, if we look at the entry-level automobile market in India, buyers have a variety of options to choose from, depending on their needs and price.

6. DIRECT AND DERIVED DEMAND: The need for a final product, such as food, clothing, etc., is known as direct or independent demand. This demand is not influenced by the demand for any additional goods, either directly or indirectly.

The demand for a good or service that results from the use of other items is known as derived demand, on the other hand.

For instance, there will be more demand for leather and thread for sewing as cricket balls become more popular.

7. INDIVIDUAL DEMAND AND MARKET DEMAND: Individual demand is the term used to describe a single consumer's requirement for a product. It can be thought of as the number of units of a product needed by a customer at a specified price level within a certain time frame. For instance, Mr A needs 200 units of a particular product each week, and it costs Rs. 40. Individual demand is influenced by the cost of a good, people's income, and their tastes.

Market demand is understood to be the total amount of demand for a product made by all customers at a specific price and period. In simple terms, it is the totality of individual requirements for a certain good at a particular cost, if all other variables remain constant.

For instance, there are five mustard oil customers, and each consumes 10, 20, 30, 40, and 50 litres each month. As a result, the market requires 150 litres of this mustard oil.

8. ORGANISATION AND INDUSTRY DEMAND: Organization demand is the requirement for a good made by a certain company at a certain price within a certain time frame. For instance, the desire for Maruti Suzuki automobiles falls under the category of organizational demand.

The entire demand for goods from all companies within a certain industry, on the other hand, is referred to as industry demand. As an illustration, the combined demand for passenger automobiles from producers like Toyota, Hyundai, Tata Motors, Maruti Suzuki, Mahindra & Mahindra, etc.

However, in a market with intense competition, it is difficult to tell these two apart. It is because no company has a substantial market share in a market like this. The need for a company's goods is therefore unimportant.

What Is Quantity Demand?

Quantity demand is the amount of a commodity or service that a customer or a group of customers want at a specific time and price. Two crucial considerations about quantity demanded are as follows:

1. In essence, various quantities are demanded at various costs because it always says at a specific price.

2. It is a flow. Therefore the quantity demanded refers to a continual stream of purchases rather than a single transaction.

The relation between quantity demand and the price is known as the demand curve. The elasticity of demand refers to how much the amount sought varies with price. The law of demand states that there is an inverse relationship between a product's price and its quantity demand.

Inverse Relationship of Price and Demand

The quantity that customers desire is determined by the price of an item or service in a market. When non-price elements are taken out of the equation, it follows that higher prices lead to lower quantities demanded and lower prices lead to higher quantities demanded. As a result, according to the rule of demand, there is an inverse relationship between a product's price and the quantity that is demanded it.

Change in Quantity Demand

A change in the exact quantity of an item that customers are ready and able to purchase is referred to as a change in the quantity demanded. This change in quantity needed was caused by a change in pricing.

The term "change in quantity demanded" refers to a change in the whole quantity demand of an item or service during a specific time as a result of a price adjustment. The other variables remain unchanged. Price causes change along the demand curve, changing the quantity demanded, whereas any other element that may affect demand together, such as earnings and preferences, would cause the entire demand curve to vary.

For instance, using the previously provided chart, it is possible to determine how a change in cost affects the quantity needed. With the help of a chart, it is simple to show that the quantity requested rises from 0 to 4 when the cost fluctuates between $12 to $6.

Increase in Quantity Demand

A drop in the cost of the product results in an increase in the amount demanded, and vice versa. A demand curve depicts the amount desired and any market price. A shift along a demand curve is used to illustrate a shift in quantity demanded. The elasticity of demand, which is correlated with the slope of the demand curve, is the ratio of the change in the quantity required to a change in price.

What Affects Quantity Demand?

The quantity demanded is influenced by the product's price. Demand will decrease as the price rises. As the price declines, demand will increase. In this sense, demand and prices are inversely linked.

Key Differences Between Demand and Quantity Demand in Points

The following points are some of the main differences between demand and quantity demand:

1. Demand is characterized as the buyer's affordability and desire to pay an amount for an economic product or service. The quantity desired by consumers for an item or service at a specific price is represented by the quantity demanded.

2. Demand is the graph of all the available quantities at various price points. Quantity demanded, on the other hand, relates to the actual amount of things desired at a particular price.

3. When someone mentions an increase or reduction in demand, they are referring to a shift in demand. On the other hand, when someone talks about the growth or decline in demand, they are referring to the shift in the quantity demanded.

4. Demand changes are caused by reasons other than price, such as income, the cost of related products, the cost of replacements, etc. On the contrary hand, price alters the quantity demanded.

5. The demand curve will alter as a result of changes in demand. As compared to the quantity demanded, a change could cause the demand curve to fluctuate.


Demand and price are inversely correlated, meaning that as the price rises, demand for the good or service declines, whereas a fall in price may increase demand. A curve that depicts the connection between price and the amount demanded can also be used to symbolise it. The quantity demanded, on the other hand, represents a specific location on the demand curve.

In conclusion, demand is a more general term that describes the overall connection between the price and the amount that customers are ready and able to purchase, considering several factors, whereas quantity demanded refers to the specific quantity that customers are ready and able to purchase at a given price during a given period.


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"Difference Between Demand and Quantity Demanded." Diffzy.com, 2024. Sat. 11 May. 2024. <https://www.diffzy.com/article/difference-between-demand-and-quantity-demanded>.

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