Lower middle income family, 46 & 47 yo, earns $110k pa. Saves $20k pa. Lives in a HDB 5 room Exec, bought many years ago, mortgage free, now worth $680k. Cash/stocks/CPF, $450k in total. Total net worth, $1.13m.

Can any guru here advise how long more do we need to work? What are our retirement options? Retire overseas? Downgrade? Live with kids? Please advise. TYIA.