Using Yahoo Personal Finance Calculator
Read? How much will I need to save for retirement?
We will need to become an ordinary CPF OA member Millionaire to have enough money in our CPF OA account for a sustainable retirement income for life at $48K annual living expenses as of today cost of living.
We should note that the median monthly household income in 2014 is $8.3K and median monthly personal income including CPF contribution in Jun 2014 is $3.8K.
$4K should be comfortable for retired couple with no other financial debts or dependent burden.