Singapore groups visa requiring nationals into two groups — Assessment Level I and Assessment Level II countries.
Holders of normal passports or travel documents issued by the following countries and territories may obtain a visa online through a local Singaporean contact or a strategic partner in Singapore, or at the nearest Singaporean diplomatic mission or one of its authorized visa agents outside Singapore. Visa will normally be issued in 1 working day, and the applicant can travel with a printout of the e-visa. Visa requirement does not apply to holders of non-ordinary passports of these countries
Citizens of the following countries must obtain a visa in advance. They may apply for a visa through a local Singaporean contact or a strategic partner in Singapore, or at the nearest Singaporean diplomatic mission or one of its authorized visa agents outside Singapore. Visa will normally be issued in 3 working days, and a visa vignette is affixed on the applicant's passport