The original version of this article first appeared in The Business Times. The Central Provident Fund (CPF) monthly salary ceiling will rise progressively starting September 2023 and reach $8,000 in 2026, from $6,000 currently. Already one of the largest contributions of any national system globally, these increases mean that for every Singaporean, CPF becomes even more important as a form of savings. It is a key vehicle in building a future nest egg and preparing for retirement adequacy.  This major Budget 2023 announcement was followed by several other changes since then — all aimed at addressing the needs of Singapore’s ageing population, growing risk of old-age poverty, and securing retirement adequacy for the nation.  The latest announcement was a change to the Special and MediSave Accounts (SMA) rate to 4.01%, from 4%. The SMA interest rate is pegged to the 12-month average yield of the 10-year Singapore Government Securities. That...