60
Like other social insurance systems in China, the emerging mandatory
pension system
mainly covers urban citizens (about 163 million participants in 2004).
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It accounts for
about 80 percent of total social insurance spending, and it is responsible for 28 out of
the 40 percentage points of aggregate social insurance fees. It is a two-layer system.
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The first layer consists of a strongly redistributive paygo system, amended by a (so far
modest) collective buffer fund – the National Social Security Fund, established in
2000. Although the role of the collective buffer fund remains unclear, one purpose
seems to be to help poor regions finance their pensions, hence compensating them for
the limited geographical pooling.
A second layer is supposed to consist of a fully funded, actuarial system with
individual accounts, based on earlier paid contributions, hence a system without
intended (ex ante) redistribution.
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One rationale for such a tier might be that a
combination of paygo and funded elements provides better risk pooling than only one
of these elements in isolation, since the risk characteristics between them differ.
Another rationale might be to boost the development of a broad, domestic capital
market. While these two rationales for funded elements in the mandatory pension
system are highly relevant for China, two other usual arguments – to raise the
aggregate national saving rate and to provide a higher return on mandatory pension
saving – may seem less relevant. After all, the aggregate saving rate is already
exceptionally high (about 50 percent of GDP), and the fast growth rate of aggregate
earnings makes the return on mandatory saving in a paygo system quite high as
compared to the return on a funded system.
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However, since a fully funded system
takes decades to build up, and both the saving rate and the growth rate are likely to fall
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According to a survey by the Chinese Research Center on Aging (2002), more than 70 percent of the urban
elderly were covered by the new pension arrangements, while the corresponding figure in rural areas was 3
percent.
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See, for instance, OECD (2005a, pp. 187-190); and Wang, (2006, p. 10).
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While the first layer promises a pension annuity amounting to 20 percent of the
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