First of all, the GDP index can be used to measure a country's economic health and growth rate. The higher the GDP growth rate of a country, the healthier the economy and the faster the growth rate, which is also the embodiment of the country's more competitiveness in global economic development. Through GDP indicators, the government and enterprises can monitor and analyze the overall performance of the national economy, so as to make wise decisions when formulating economic policies and managing macro-control. At the same time, GDP index can also be used to predict a country's economic development trend, identify potential economic risks and crises, and help the government and enterprises formulate corresponding coping strategies.
Secondly, GDP index is also one of the important indicators to measure a country's people's livelihood level. Through GDP indicators, the government can grasp the overall economic performance of the country, at the same time, reasonably improve the welfare level of people's livelihood and improve the polarization between the rich and the poor in society. For example, through the change of GDP index, the government can evaluate the contribution of education, medical care, social security and other fields to public finance, invest more funds, and improve the construction and development of social undertakings. This will also make people's lives happier and more satisfied, and realize the simultaneous development of economy and people's livelihood.
Finally, the GDP index can also be used to evaluate a country's position and influence in the international community. The higher a country's GDP, the greater its influence in the international community, and the more capable it is to call on and influence other countries. At the same time, countries with high GDP have more advantages in international exchanges and cooperation. Therefore, GDP index is also one of the important basis to judge whether a country is developed, whether it has status and influence.
To sum up, GDP index is of great significance and use to a country's economic development and people's life. Through the GDP index, the government can understand the overall economic performance and people's livelihood level of the country and formulate corresponding policies and measures. At the same time, GDP index is also an important indicator to evaluate a country's status and influence in the international community.