There are several benefits of becoming a Singapore Citizen. Singapore Passport holders have very few travel restrictions around the world. A Singapore Passport holder enjoys liberal visa requirements especially while travelling to destinations like the USA. Some companies prefer to hire citizens. Only Singapore citizens (over 21 years of age) are eligible to buy and rent apartments from the HDB - Housing & Development Board. Citizens can also enjoy the unique benefit of obtaining loans, at a concessionary interest rate, from the HDB to fund their housing.
The disadvantage is that Singapore does not allow dual citizenship and if you wish to withdraw all your CPF savings as a lump sum, the only option is to denounce your citizenship status.
On the whole, many people find it beneficial to become a Singapore Citizen and eventually make Singapore their home. But the ultimate decision is yours. For more information on how to file for Singapore Citizenship, refer to
Singapore Citizenship Application Filing Guide