Key Insight

Singapore's tax revenue experienced significant growth from 2002 to 2014, primarily driven by increases in Goods and Services Tax (GST), Corporate Income Tax, and Individual Income Tax.  While Estate Duty remained a relatively minor contributor, the other tax types showed consistent upward trends, reflecting economic expansion and policy adjustments during this period.  This growth pattern indicates a healthy economy and strong government revenue streams, though the specific causes of the substantial jump in Stamp Duty in 2006 and 2007 warrants further investigation.

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Small Interesting Points of Note

The breakdown of Income Tax into Corporate and Individual components, as well as Withholding Tax, offers a more granular understanding of revenue streams.  The decline in Estate Duty is notable and could be indicative of changes in wealth distribution or tax policy. The sharp increase in Stamp Duty revenue from 2006 onwards requires further analysis.

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Methodology

• Data was extracted from the provided JSON response, specifically the 'records' array.
• Tax collected values were converted to numerical data for analysis.  Note that they were originally in string format.
• Statistical summaries (minimum, maximum, average) were calculated for each tax type across all years.
• Trends were identified by visually inspecting the changes in tax revenue over time for each tax type. Further analysis would require utilizing time series techniques.
  
  

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Footnotes

No superscript values were encountered in this dataset.