Is Ramadan/Ramzan followed by many in Singapore?

While meeting a few colleagues over dinner, a visitor to Singapore asked if Ramadan was followed by many people in Singapore.  Here is a visualization to help answer that question.  Note that this data is from the CIA World Factbook.  A lot of the data is not current.  However, the percentages are probably representative.  Do let me know if there are any mistakes in my data.

percentage of muslims

Percentage of Muslims in all countries