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Parametric Pension Reform Options in Korea
By Daniel Baksa, Boele Bonthuis, Si Guo & Zsuzsa Munkacsi
Population aging in Korea will pose substantial challenges to the financial sustainability of its public pension system. Under current policies and plausible assumptions, public pension spending can increase by as much as 4 percent of GDP during 2020-70, while contribution revenue will largely stay constant. This expected rise in public pension spending mainly reflects the increase in the old-age dependency ratio (and therefore the number of pension recipients), the deceleration in GDP growth in response to demographic changes, and, to a lesser extent, the maturing of the National Pension Scheme. Three pension policies are considered to stabilize the public debt- to-GDP ratio: a retirement age increase, higher social security contributions, and a lower pension replacement rate, and a combination of all three. The adjustments need to be large to stabilize the debt-to-GDP ratio if each policy lever is used in isolation. A combination of smaller adjustments of multiple parameters yields better results.
Source SSRN
