Since Chile introduced a fully funded, privately managed defined contribution scheme in 1981, some two dozens countries have converted a portion of their pension system to this arrangement.

自从智利在1981年引进了全基金式的、由私营部门管理的固定缴费方案之后，二十多个国家已经把它们的部分养老金方案转变为这种方案。

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Michigan closed its defined-benefit scheme to entrants back in 1997 and Alaska moved to a defined-contribution plan for new staff in 2006.

密歇根州在1997年就不再对新员工实行养老金固定收益计划，阿拉斯加州于2006年实行了对新员工的养老金固定缴款计划。

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In 2006, according to the CRR, over 60% of private workers with a retirement plan relied on a defined-contribution scheme such as a 401 (k) account.

根据退休研究中心的研究，2006年，参与退休金计划的私营企业工人超过60%依靠的是确定提拨计划，比如401 k帐户[1]。

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The 3, 800 staff affected will be offered membership of the company's defined contribution scheme instead.

BBC: Asda store facia

Workers at Severn Trent are being consulted over proposals for existing pensions to be replaced by one new defined contribution scheme.

BBC: Severn Trent proposes pension changes

The Asda employees, mainly managerial and administrative staff, will join the defined contribution scheme that has been on offer to new recruits since 2005.

BBC: Asda store facia