Critical Illness, Hospitalisation, Disability Income and Personal Accident Coverage for a more comprehensive protection.
That's pretty ridiculous.
There's a "big three" for essential insurance needs, and then there are insurance luxuries. Here are the essential insurance needs:
1A. Medical insurance. If you're OK staying in public hospital B2 or C wards, then (in the government's view anyway) MediShield Life plus a "reasonable" Medisave balance are sufficient. I happen to disagree with the government on this one and view an "as charged" public hospital B1 ward (or possibly B2+ ward) Integrated Shield
base plan to be essential. You
might stretch that argument to public hospital A ward, especially for working people who are trying to heal quickly and get back to work and also possibly for Permanent Residents and foreigners who don't enjoy the medical subsidies that citizens do. Anything above that is an insurance luxury. There's nothing necessarily wrong with luxuries per se, but make sure you're covering insurance essentials first. "Zero dollar" Integrated Shield riders are ridiculous in Medisave-equipped Singapore -- so ridiculous the government saw fit to stop them -- so I certainly wouldn't deem Integrated Shield riders as essential with the exception of the Assist Rider available for NTUC's Enhanced IncomeShield C plan, the only Integrated Shield plan designed for public hospital B2+ ward and below. If you're considering an Integrated Shield rider otherwise, and if an "Assist" or "Saver" rider is offered, that's the one you should consider (but not necessarily buy).
1B. Travel medical insurance. If you travel outside Singapore, emergency medical insurance coverage with medical repatriation coverage is quite important, especially in high medical cost countries such as the United States. I quite like Bupa's basic annual plan, sold online. The best price is in British pounds and with a coupon code that you can find easily online. It's quite affordable for those who make a couple trips (or more) per year outside Singapore, and there are no limits for covered services.
2. Disability income insurance. The most valuable asset most young (and older) adults have is their earning potential. Insure that, please. Great Eastern, AIA, and Aviva offer DII in Singapore, and there are a couple possible options from outside Singapore that occasionally work better. ElderShield (upgraded to 2 out of 6 ADLs), or maybe the future CareShield Life (also upgraded to 2 out of 6 ADLs or better) are possible alternatives, although genuine DII is best.
This article explains DII fairly well.
3. If and only if you have dependents who would suffer significant financial hardship (not only be sad) if you were to die prematurely, simple term life insurance.
....And that's the "big three." Past that, you're most probably dealing with insurance luxuries.
As always, read the fine print very carefully.