"Gross domestic product (GDP) annual growth rate refers to the growth percentage of a country or region's GDP within a year. It is an important indicator for economists and policy makers to evaluate the speed and direction of a country's or region's economic development, and it is also One of the key indicators to judge whether the economy is healthy and stable.

The annual growth rate of GDP is calculated by subtracting the GDP of a certain year from the GDP of the previous year, dividing the result by the GDP of the previous year, and multiplying by 100%. For example, if a country's GDP was $100 billion last year and its GDP this year is $110 billion, the country's annual GDP growth this year is 10%.

GDP annual growth rate can be used to compare economic growth between different years. If the annual GDP growth rate of a country has been maintained at a relatively stable level, it means that the country's economic development is relatively stable. If there are large fluctuations in the annual growth rate of GDP, it may reflect some structural problems in the country's economy or improper economic policies.

The level of annual GDP growth rate is related to the speed and stability of economic growth. If the annual growth rate of GDP is high, it means that the economy of the country or region is in the stage of rapid growth, with strong economic vitality, creating more wealth and employment opportunities. However, if the annual growth rate of GDP is too fast, it may also cause problems such as inflation. On the contrary, if the annual growth rate of GDP is low, it means that the country or region's economic development is slow and may face problems such as economic shrinkage and rising unemployment rate.

The annual growth rate of GDP can also be used to predict future economic development trends and provide basic data for the government and enterprises to formulate appropriate development strategies and policies. It is an important economic indicator that is very helpful for assessing and monitoring the economic conditions and trends of a country or region. "