Abstract
Through the curve fitting and interpolation function of matlab software, based on the demographic data in the Statistical Yearbook of Hunan Province from 2000 to 2020, the total population, birth rate and death rate of Hunan Province were predicted, and the data and images were obtained, showing intuitive results. This study uses the two forecasting methods to obtain images and compare them to enrich the population forecasting methods, which has great theoretical and research significance for the population development trend of the future society and the formulation of correct and reasonable population planning schemes.
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