The Improved Leslie Model for Population Forecasting
Abstract
areas by age, the curve fitting migration function, and the application of ARIMA to predict mortality rates to construct a discrete
population dynamics system in order to predict China’s future population development trajectory. The improved Leslie, Leslie,
BP and Malthus models were compared in terms of error rates. The improved Leslie model was more stable than the rest of the
models and had an average error rate of 0.09%, with good model generalization ability. The results show that the improved Leslie
model predicts that the total population will slowly increase under the national regulation policy, and will reach a peak by around
2045 and then decline.
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DOI: http://dx.doi.org/10.18686/ahe.v6i15.5142
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