This paper firstly built a model to predict the basic pension replacement ratio based on historical data and analysed the declining trend of the ratio.

本文首先基于历史数据构建养老金替代率预测模型，分析基本养老金替代率的逐年下降趋势。

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The typical Belgian worker's pension income is 46% of income just before retirement the so-called "replacement ratio, " an important measure of pension system finances.

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Whether or not people can expect a comfortable retirement depends on the replacement ratio the proportion of their lifetime average earnings that their pension will pay out.

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