Singaporeans who wish to find out if they require a visa to visit a particular country should contact the country’s representative closest to them to be apprised of the latest requirements.
All foreign visitors must ensure that they meet or possess the following entry requirements stated the Singapore Immigrations and Checkpoints Authority.
US Passport Holders (regular, official and diplomatic) do not require a visa to enter Singapore for business or for social visit purposes. They must, however, meet the entry requirements as mentioned above.
Foreigners holding travel documents issued by the following countries will require either a Business visa or Social Visit visa to enter Singapore:
Assessment Level 1 Countries
Georgia, Turkmenistan, Ukraine, India, Myanmar, People's Republic of China, Commonwealth of Independent States (Armenia, Azerbaijan, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, Uzbekistan) and Holders of Hong Kong Document of Identity and Macau Special Administrative Region (MSAR) Travel Permit
Assessment Level 2 Countries
Afghanistan, Algeria, Bangladesh, Egypt, Iran, Iraq, Jordan, Lebanon, Libya, Morocco, Nigeria, Pakistan, Saudi Arabia, Somalia, Sudan, Syria, Tunisia, Yemen, and holders of Palestinian Authority Passport, Temporary Passport issued by the United Arab Emirates and Refugee Travel Document issued by Middle-East countries
All holders of non-regular Travel Documents must consult the Singapore Consulate-General on visa requirements to visit Singapore.
The period of stay permitted is at the discretion of the Immigration Officer upon arrival at the Singapore Changi Airport. It is normally between 14 to 30 days. Regardless of the length of stay granted, visitors may request for an extension of stay by applying in person at the Immigration & Checkpoints Authority before the expiry of the visa granted. More details can be found here.