Singapore vs United States

17

Federal corporate income tax: 21%. State corporate income tax varies by state, and some states do not impose one.

November 30

April 15 for calendar-year corporations (15th day of the 4th month after the tax year-end); a 6-month filing extension to October 15 is available. State income tax returns usually follow the federal due date, with a few exceptions.

Tax is payable within one month from the date of the Notice of Assessment.

Tax must be fully paid by the original due date of the return (April 15 for calendar-year corporations); the final estimated instalment is due on the 15th day of the 12th month of the tax year.

The estimated income tax assessment must be submitted within three months after the end of the company's fiscal year. The estimated tax should be paid within one month after receiving the assessment notice, or paid in installments according to the installment payment plan. No estimated chargeable income (ECI) needs to be filed for a year of assessment when the company's annual revenue for the financial year is S$5,000,000 or below and its ECI is nil (the IRAS ECI filing waiver).

Four equal instalments of estimated tax, due by the 15th day of the 4th, 6th, 9th and 12th months of the tax year (April 15, June 15, September 15 and December 15 for calendar-year corporations).

0/0/0

0/15/10

30/30/30

9

21% (aligned with the federal CIT rate for corporations)

16.09%

22.69

13.15%

7.03