The Sales Tax Rate in Tonga stands at 15 percent. Sales Tax Rate in Tonga averaged 14.17 percent from 2014 until 2025, reaching an all time high of 15.00 percent in 2015 and a record low of 5.00 percent in 2014. source: Ministry of Finance and National Planning
Sales Tax Rate in Tonga is expected to reach 15.00 percent by the end of 2025, according to Trading Economics global macro models and analysts expectations. In the long-term, the Tonga Sales Tax Rate is projected to trend around 15.00 percent in 2026, according to our econometric models.