Is Dividends taxable?

The answer is depends.

https://www.iras.gov.sg/IRASHome/Individuals/Locals/Working-Out-Your-Taxes/What-is-Taxable-What-is-Not/Dividends/

Non-Taxable Dividends

Generally, the following dividends are not taxable:

1. Dividends paid on or after 1 Jan 2008 by a Singapore company;
2. Foreign dividends received in Singapore on or after 1 Jan 2004 by resident individuals. If an individual resident in Singapore receives foreign-sourced dividends through a partnership in Singapore, these dividends may be exempt from Singapore tax if certain conditions are met.  For details, please refer to Tax Exemption for Foreign-Sourced Income (e-Tax Guide, 130 KB);
3. Income distribution from Real Estate Investment Trusts (REITs), except distributions derived by individuals through a partnership in Singapore, or from the carrying on of a trade, business or profession in REITs.

Taxable Dividends

The following dividends are subject to income tax:

1. Dividends paid by co-operatives;
2. Foreign-sourced dividends derived by individuals through a partnership in Singapore. Conditions may apply. For more details, please refer to Tax Exemption for Foreign-Sourced Income (e-Tax Guide, 130 KB);
3. Income distribution from Real Estate Investment Trusts (REITs) derived by individuals through a partnership in Singapore, or from the carrying on of a trade, business or profession in REITs.