Tax to GDP Ratio

The tax-to-GDP ratio gauges a country's tax revenue in relation to its economic size. It is used alongside other indicators to assess how effectively a government manages its economic resources through taxation.
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Tax to GDP Ratio
3 min
22-July-2024
The tax-to-GDP ratio is an economic metric used to measure the total tax amount earned by a country relative to its economy, as measured through the Gross Domestic Product (GDP). Taxation is one of a country's most fundamental policies, where almost all earnings are taxed to ensure the government has funds for the nation’s development activities. However, a country's economic performance heavily depends on how the government utilises the funds earned through taxes.

As the tax-to-GDP ratio is an ideal metric to grasp the government’s utilisation of tax earnings, it becomes important to understand what is tax to GDP ratio. This blog will help you understand the tax-to-GDP meaning and how it is used and calculated.

What is the tax-to-GDP ratio?

The tax-to-GDP meaning refers to an economic metric that represents the total tax collected by the government in comparison to the total GDP. The ratio is represented as a percentage of the total GDP and allows for a comprehensive understanding of the country's tax revenue. The tax-to-GDP ratio also reveals how much tax is being collected by a country against its GDP. For example, suppose the GDP is higher than last year, but the tax revenue has lowered. In that case, it indicates that the country’s citizens are using available resources but are not paying taxes accordingly.

India's current tax-to-GDP ratio is 11.6%, which is higher than last year’s 11.2%. Experts believe the ratio will reach an all-time high of 11.7% in 2024-25.

How does the tax-to-GDP ratio work with examples?

The tax-to-GDP ratio measures the total tax amount earned by the government against its annual GDP. As the ratio is calculated every year after the completion of the tax cycle and GDP calculations, it gives the government and citizens a benchmark against which they can compare tax revenues yearly. Analysing the tax-to-GDP ratio provides insight into a government's tax earnings and its ability to avoid borrowing money for the country's developmental activities. The higher the tax-to-GDP ratio, the higher the ability of a country to spend more on improving education, health, infrastructure, etc.

For example, India’s tax-to-GDP ratio increased to 11.6% this year from 11.2% last year. This means India's total tax earnings have increased in the last year and are now 11.6 % of the total GDP.

The tax-to-GDP ratio uses two economic parameters: Annual tax revenue and the Gross Domestic Product (GDP). The tax revenue includes the total amount of tax earned by the government through income tax, sales tax, estate tax, property tax, etc. On the other hand, GDP is the total value of all the goods and services produced in the country during a financial year.

The government uses this tax revenue for development activities. Tax revenue and GDP are considered to be correlated to each other. This means there is a chain reaction where the government uses the tax revenue to improve the economy, which results in higher employment or earning potential. With higher earnings, the tax revenue increases further, with the government having more to spend next year.

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Formula for tax-to-GDP ratio

Here is the tax-to-GDP ratio formula:

Tax-to-GDP ratio: (Total annual tax revenue of a country / Gross Domestic Product) x 100

Here is an example of how the tax-to-GDP ratio is calculated using the above formula:

Annual tax revenue for country A = Rs. 50 billion.

GDP of country A during the same period: Rs. 200 billion.

Tax-to-GDP ratio: (Total annual tax revenue for a country / Gross Domestic Product) x 100

Tax-to-GDP ratio: (Rs. 50 billion / Rs. 200 billion) x 100

Tax-to-GDP ratio: 25%

Importance of tax-to-GDP ratio

The tax-to-GDP ratio calculates how much tax revenue has been collected against the GDP in percentage terms. Hence, it is an important factor in understanding a country’s economic and financial health. The ratio measures the government’s ability to make resources available to the citizens and finance its developmental activities without borrowing excessive funds. A higher tax-to-GDP ratio indicates that the government can generate substantial tax revenue relative to the size of its economy.

The tax-to-GDP ratio also plays an important role in economic policy and planning for the government. Using the results of the ratio, the government can assess the current effectiveness of its tax policies and ensure that there are improved tax reforms in the future. For example, if the ratio is low, the government can broaden the tax base or improve its tax collection policies. On the other hand, if the ratio is excessively high, it may indicate that the policies are creating an overtaxed economy and may lead to lower investment and economic growth.

Furthermore, the tax-to-GDP ratio also provides a benchmark for comparing different countries and their economic performance. For example, developed countries often have a higher tax-to-GDP ratio than developing or underdeveloped countries. Countries with a lower tax-to-GDP ratio can compare their policies with those of developed countries and identify areas where they can improve to provide a better standard of living to their citizens.

Uses of tax-to-GDP ratio

Here are the uses of the tax-to-GDP ratio:

1. Government’s revenue efficiency

The tax-to-GDP ratio provides insights about a government’s revenue efficiency through its tax collection system. You can compare tax revenue with total GDP to determine how well the government is using tax revenue for economic development.

2. Policymaking

The government analyses the tax-to-GDP ratio to improve or create policies. A low tax-to-GDP ratio may indicate that the policies are inefficient and that tax collection needs to be improved. On the other hand, a higher-than-normal tax-to-GDP ratio might indicate that the government needs to lower the tax burden on its citizens.

3. Economic development

Every government uses the tax revenue for developmental activities or activities that can create a positive economic performance. Comparing the tax-to-GDP ratio of a year to the previous years can help provide insights as to how the government is using the tax revenue against the overall GDP. If the ratio is decreasing year by year, it may indicate that the government is failing in economic development and tax administration.

4. Social equality

The tax-to-GDP ratio can also be used to address social equality issues. By analysing the composition of tax revenue and its impact on different income groups, policymakers can design tax systems that are fair and equal. For example, India uses a progressive taxation system, where a higher tax rate is applicable to higher earnings.

Why does the tax-to-GDP ratio matter?

Here is why tax-to-GDP ratio matters:

The ratio indicates the country's tax revenue against its GDP, becoming an indicator of the government’s earnings, which it can use for developmental activities.

The government uses the ratio to review and improve its policies. If the ratio is lower or higher than normal, the government uses the results to improve its taxation policies.

The ratio provides a measure for comparing two countries based on their tax revenues and the government’s ability to avoid excessive borrowings. A country with a higher tax-to-GDP ratio is considered economically stronger.

A balanced tax-to-GDP ratio indicates that the country is economically stable and has a higher growth potential. It shows that the government has sufficient resources to manage the economy and ensure its positive performance.

How to improve the tax-to-GDP ratio?

Every country that measures the tax-to-GDP ratio constantly tries to ensure its tax-to-GDP ratio is higher than last year. However, there have been instances in which a country has witnessed a lower tax-to-GDP ratio than the previous year, negatively affecting economic performance.

One of the best ways for a government to improve its tax-to-GDP ratio is to increase tax collection. In almost every country, individuals and entities avoid paying taxes even when they are legally liable. A government must identify such individuals and entities and ensure that every earning individual pays applicable taxes. As far as India is concerned, implementing the Direct Tax Code (DTC) can immensely help. DTC aims to simplify the structure of direct taxes in India to ensure improved tax compliance.

Furthermore, the Indian government can review the GST structure and ensure it is effective and rationalised. The recent GST Council meeting has also helped in this matter as the panel took several decisions to change the applicable GST rates for improvement.

What is a good tax-to-GDP ratio?

Most countries aim to have a tax-to-GDP ratio equal to or higher than 15%. Such a score indicates that the country’s economic condition is good and that it has enough funds to spend on developmental activities without having to borrow funds. India is also on the path of increasing its tax-to-GDP ratio to 15%, as the ratio has been steadily rising every year.

Key takeaways

The tax-to-GDP ratio is an economic metric that measures the tax revenue against the Gross Domestic Product.

The metric is used to determine a country's economic performance and how well the government is implementing its taxation policies.

The formula for the tax-to-GDP ratio is (Total annual tax revenue for a country / Gross Domestic Product) x 100.

India’s current tax-to-GDP ratio is 11.6%, which is higher than last year’s 11.2% and is expected to reach 11.7% next year.

The government uses the results from the tax-to-GDP ratio to improve taxation policies.

Conclusion

The tax-to-GDP ratio is an economic metric that showcases how much a government has earned through tax against the size of its economy, which is presented through its GDP. This ratio is immensely important for citizens to grasp the country's economic performance and for the government to review and improve its taxation policies. A higher tax-to-GDP ratio indicates that the government has high funds to spend on socio-economic development activities such as education and healthcare without borrowing. Now that you know what is the tax-to-GDP ratio, you can better understand India’s economic performance through its tax revenues.

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Frequently asked questions

What is the ideal tax-to-GDP ratio?
A tax-to-GDP ratio of equal to or higher than 15% is considered ideal for a country.

Why does India have a very low tax-to-GDP ratio?
India has a low tax-to-GDP ratio as most earning individuals do not file ITRs and pay taxes, reducing tax revenue. Furthermore, India’s direct-to-indirect tax ratio is 35:65, which is substantially lower than other developed economies, which have an average direct-to-indirect tax ratio of 67:33.

How to calculate the tax-to-GDP ratio?
The tax-to-GDP ratio formula is (Total annual tax revenue of a country / Gross Domestic Product) x 100.

Is a high tax-to-GDP ratio good?
Yes, a high tax-to-GDP ratio is considered good. However, it should not be excessively higher and must be balanced against the GDP.

What factors influence a country's tax-to-GDP ratio?
A country's tax-to-GDP ratio is influenced by how well it collects taxes, the size and makeup of its economy, its stage of development, and its tax laws and policies. It also depends on how willing people are to pay taxes and how stable the government is.

How do developed and developing countries differ in their tax-to-GDP ratios?
Developed countries have a robust taxation system and collect a higher tax amount every year against their already sizeable GDP. Hence, the tax-to-GDP ratio of developed countries is higher than the tax-to-GDP ratio of developing countries.

Can a high tax-to-GDP ratio be problematic?
Yes, a high tax-to-GDP ratio can be a problem because it might mean people and businesses are paying too much in taxes. This can slow down economic growth and make people try to avoid taxes.

How can a country improve its tax-to-GDP ratio?
A country can improve its tax-to-GDP ratio by improving its taxation policies, leading to higher tax collection and revenue.

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