Gross Domestic Product (GDP): What it means and why it matters (2024)

The animation below gives a quick introduction to GDP

What is GDP?

GDP is the size of the economy at a point in time

GDP measures the total value of all of the goods made, and services provided, during a specific period of time.

Goods are things such as your new washing machine, or the milk that you buy. Services include the haircut from your hairdresser, or repairs done by your plumber.

It’s only final goods and services that are sold to you and me that matter for GDP though. So if some tyres roll off a production line and are sold to a car manufacturer, the value of the tyres isn’t included in GDP, it is reflected in the value of the car.

The amount you pay, or the market value of that good or service, is what’s important as these are added together to get GDP.

Sometimes people use the phrase Real GDP

This is because GDP can be expressed in nominal or real terms. Real GDP takes the value of goods and services produced in the UK, but it takes into account changing prices to remove the effect of rising prices over time, otherwise known as inflation.

Real GDP is otherwise known as the ‘constant price’ measure of GDP.

Nominal GDP still measures the value of all the goods and services produced in the UK, but at the time they are produced.

It is otherwise known as the ‘current price’ measure of GDP.

There’s more than one way of measuring GDP

Just imagine trying to add together the value of everything made in the UK – that’s no easy feat, which is why there is more than one way of measuring GDP.

GDP is calculated three ways, adding up:

  • all the money spent on goods and services, minus the value of imports (money spent on goods and services produced outside the UK), plus exports (money spent on UK goods and services in other countries)
  • the money earned through wages and profits
  • the value of goods and services produced

These are known as the expenditure, income and output measures of GDP, respectively. All three different methods of calculating GDP should, in theory, give the same number.

In the UK, we get a new GDP figure every month

If the GDP figure is higher than it was in the previous month – the economy is growing.

If it’s lower – the economy is getting smaller.

The Office for National Statistics (ONS) is responsible for calculating the GDP figure for the UK. Naturally it collects a lot of data from a lot of different sources to do this. It surveys tens of thousands of UK firms working in manufacturing, services, retail and construction, as well as using a wealth of administrative data.

Monthly GDP is calculated only using the output measure (the value of goods and services produced) and the changes from month to month can be quite large. So, the ONS also produces an estimate of GDP over 3 months, where it compares data to the previous 3 months. This provides a more reliable picture of how the economy is performing, and it includes data from each of the expenditure, income and output measures.

You might have heard people refer to the first or second estimate of GDP

For the first estimate of each quarter, the ONS has not gathered all the information it needs – so this can be revised at the second estimate. At the first estimate, the ONS has gathered around half of the data it needs across the expenditure, income and output measures.

GDP can also be revised at a later date due to changes in the methods for estimating it, or to incorporate less frequent data.

GDP matters because it shows how healthy the economy is

Rising GDP means the economy is growing, and the resources available to people in the country – goods and services, wages and profits – are increasing.

Gross Domestic Product (GDP): What it means and why it matters (2024)

FAQs

Gross Domestic Product (GDP): What it means and why it matters? ›

GDP measures the total value of all of the goods made, and services provided, during a specific period of time. Goods are things such as your new washing machine, or the milk that you buy.

What is GDP and why it matters? ›

GDP measures the monetary value of final goods and services—that is, those that are bought by the final user—produced in a country in a given period of time (say a quarter or a year). It counts all of the output generated within the borders of a country.

What GDP means? ›

Gross domestic product (GDP) is the most commonly used measure for the size of an economy.

What are the benefits of a high GDP? ›

High economic growth leads to increased profitability for firms, enabling more spending on research and development. This can lead to technological breakthroughs, such as improved medicine and greener technology. Also, sustained economic growth increases confidence and encourages firms to take risks and innovate.

How does GDP impact us? ›

GDP or Gross Domestic Product is one of the most important tools for looking at how well, or badly, an economy is doing. GDP helps businesses judge when to expand and hire more people, and it lets government work out how much to tax and spend.

Which GDP is more important? ›

Nominal GDP accounts for current market prices without factoring in deflation or inflation, meaning it tracks general changes in an economy's value over time. Real GDP factors in inflation and accounts for the overall rise in price levels, so it's more accurate for calculating a country's economic health.

What is an example of a GDP? ›

If, for example, Country B produced in one year 5 bananas each worth $1 and 5 backrubs each worth $6, then the GDP would be $35. If in the next year the price of bananas jumps to $2 and the quantities produced remain the same, then the GDP of Country B would be $40.

Why does high GDP mean? ›

Rising GDP means the economy is growing, and the resources available to people in the country – goods and services, wages and profits – are increasing.

What affects GDP? ›

GDP growth is mainly influenced by labor productivity and total hours worked by the labor workforce of a country. (GDP can be thought of as multiplication of labor productivity times the size of labor workforce). Labor productivity can be understood as the revenue generated by one labor-hour of the country.

What is a good GDP for a country? ›

The ideal GDP growth rate is between 2% and 3%. The GDP growth rate measures how healthy the economy is. When the number is positive, the economy is growing. When the number is negative, the economy is contracting.

Why is a good economy important? ›

Economic growth increases state capacity and the supply of public goods. When economies grow, states can tax that revenue and gain the capacity and resources needed to provide the public goods and services that their citizens need, like healthcare, education, social protection and basic public services.

What happens if GDP is too high? ›

However, too much GDP growth is also dangerous, as it will most likely come with an increase in inflation, which erodes stock market gains by making our money (and future corporate profits) less valuable.

How does GDP affect life? ›

However, economists often make adjustments to GDP, such as using real GDP, or use alternative methods for determining the standard of living. Generally, rising global income translates to a higher standard of living, while diminishing global income causes the standard of living to decline.

Why is US GDP so strong? ›

All values, unless otherwise stated, are in US dollars. The American economy is fueled by high productivity, transportation infrastructure, and extensive natural resources. Americans have the highest average household and employee income among OECD member states.

What are the two things that can cause GDP to increase? ›

Economic growth is driven oftentimes by consumer spending and business investment.

What is the GDP of the United States today? ›

US Real GDP is at a current level of 20.25T, up from 20.18T last quarter and up from 19.92T one year ago. This is a change of 0.32% from last quarter and 1.62% from one year ago.

What causes inflation? ›

More jobs and higher wages increase household incomes and lead to a rise in consumer spending, further increasing aggregate demand and the scope for firms to increase the prices of their goods and services. When this happens across a large number of businesses and sectors, this leads to an increase in inflation.

Is a higher GDP good or bad? ›

Gross Domestic Product is the dollar value of all goods and services that have changed hands throughout an economy. Increasing GDP is a sign of economic strength, and negative GDP indicates economic weakness.

What is GDP in real life? ›

Real GDP is an inflation-adjusted measurement of a country's economic output over the course of a year. The U.S. GDP is primarily measured based on the expenditure approach and calculated using the following formula: GDP = C + G + I + NX (where C=consumption; G=government spending; I=Investment; and NX=net exports).

Is GDP a wealth or income? ›

It's called GDP, or 'gross domestic product' - the total value of everything a country produces and sells. It's a measurement of cold hard cash and doesn't distinguish between food, medicine and even weapons.

What are the 3 types of GDP? ›

GDP can be measured in three different ways: the value added approach, the income approach (how much is earned as income on resources used to make stuff), and the expenditures approach (how much is spent on stuff).

How do you analyze GDP? ›

How can GDP be analysed over time? Another way to analyse GDP is to compare GDP in one year (or quarter) with GDP in another year (or quarter), in other words to see how it develops over time. We can do this by calculating a rate of change.

Which country has highest GDP? ›

With a GDP of more than 20 trillion dollars, the United States of America is the world's largest economy.

What causes a decrease in GDP? ›

GDP increases when a country has a positive trade balance or surplus. However, GDP decreases when a country spends more money importing goods and products than it makes exporting goods and products, which leads to a trade deficit.

What are 3 problems of GDP? ›

However, it has some important limitations, including: The exclusion of non-market transactions. The failure to account for or represent the degree of income inequality in society. The failure to indicate whether the nation's rate of growth is sustainable or not.

What are the 4 main factors of GDP? ›

The four components of gross domestic product are personal consumption, business investment, government spending, and net exports. 1 That tells you what a country is good at producing. GDP is the country's total economic output for each year. It's equivalent to what is being spent in that economy.

Does GDP measure income? ›

The income approach to calculating gross domestic product (GDP) states that all economic expenditures should equal the total income generated by the production of all economic goods and services.

Which country has lowest GDP? ›

1. Somalia: GDP per capita of USD 303 in 2026
  • Central African Republic: GDP per capita of USD 624 in 2026.
  • “The Central African Republic is at a critical crossroads.
Jun 14, 2023

What happens if GDP decreases? ›

Negative growth is a decline in a company's sales or earnings, or a decrease in an economy's GDP during any quarter. Declining wage growth and a contraction of the money supply are characteristics of negative growth, and economists view negative growth as a sign of a possible recession or depression.

What are the three facts about GDP? ›

5 things to know about GDP
  • Unpaid work doesn't count. ...
  • Products that have been resold don't either. ...
  • A healthy GDP rate would be about 2 to 3 percent. ...
  • GDP can be too high. ...
  • Governments don't have a whole lot of power to change GDP.
Jan 30, 2019

Why is the US economy better? ›

There are two things that matter to an economy in the long term: the size of its workforce and the productivity thereof. A higher fertility rate and a more open immigration system have long given America a demographic advantage over most other wealthy countries, and that continues.

How does GDP grow? ›

The GDP of a country tends to increase when the total value of goods and services that domestic producers sell to foreign countries exceeds the total value of foreign goods and services that domestic consumers buy.

Which economy is the most important? ›

United States. The United States of America is a North American nation that is the world's most dominant economic and military power.

What is the goal for inflation? ›

The 2% inflation target is key to the Federal Reserve's vision for stable prices in the U.S. economy, according to the Federal Reserve Bank of St. Louis. Canada, Australia, Japan and Israel are among the many economies that include 2% in their inflation rate targets, according to the International Monetary Fund.

How can you benefit from inflation? ›

Various Commodities

Less expensive tangible assets that do well during inflation include many types of commodities. Agricultural commodities like wheat, corn, soybeans, livestock and timber are among such commodities. Industrial metals like nickel, copper and steel also tend to do well during inflation.

Do we need inflation? ›

While high inflation is generally considered harmful, some economists believe that a small amount of inflation can help drive economic growth. The opposite of inflation is deflation, a situation where prices tend to decline.

What country has the highest GDP? ›

United States of America

How does GDP affect standard of living? ›

However, economists often make adjustments to GDP, such as using real GDP, or use alternative methods for determining the standard of living. Generally, rising global income translates to a higher standard of living, while diminishing global income causes the standard of living to decline.

Is GDP a good indicator of a country's wealth? ›

While GDP measures the monetary value of the goods and services produced in a given year, it doesn't provide a complete picture of a country's wealth, or how sustainable that wealth will be in the long term.

How does a country increase its GDP? ›

Broadly speaking, there are two main sources of economic growth: growth in the size of the workforce and growth in the productivity (output per hour worked) of that workforce. Either can increase the overall size of the economy but only strong productivity growth can increase per capita GDP and income.

Why is the US economy so strong? ›

There are two things that matter to an economy in the long term: the size of its workforce and the productivity thereof. A higher fertility rate and a more open immigration system have long given America a demographic advantage over most other wealthy countries, and that continues.

When did the US become the largest economy? ›

The United States has been the world's largest national economy in terms of GDP since at least the 1920s.

How does GDP affect inflation? ›

If 'potential GDP' is growing rapidly, actual output can also continue to grow rapidly without intensifying pressures on resources.” Translation: if growth is higher, inflation is lower.

What are the weakness of GDP? ›

There are many things that GDP does not measure at all which contribute significantly to our collective wellbeing, such as caring, domestic activities, and the natural environment. GDP does not take into account current inequalities nor the long term impact of actions, such as environmental impact.

Is GDP a good indicator of recession? ›

A growing GDP is an indication of a strong economy, while a shrinking GDP signals a weaker economy and the potential for a recession.

What does GDP not tell us? ›

For example, it does not tell us anything about how income is distributed. So, you could have a high GDP, but still have income growth occurring at a very low level for those who have low incomes and at a much higher level for those who are wealthy.

What does it mean when GDP is negative? ›

Negative growth is a contraction in business sales or earnings. It is also used to refer to a contraction in a country's economy, which is reflected in a decrease in its gross domestic product (GDP) during any quarter of a given year. Negative growth is typically expressed as a negative percentage rate.

What caused GDP to rise? ›

The increase in real GDP in 2022 primarily reflected increases in consumer spending, exports, private inventory investment, and nonresidential fixed investment that were partly offset by decreases in residential fixed investment and federal government spending.

What makes a strong economy? ›

Economic growth results when groups of people, so-called economic actors, are able to produce goods and services with increasing efficiency. To produce real productivity, an economy must have better tools and equipment, namely capital goods, and greater specialization of laborers.

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