In December 2018 Ambon Municipality experienced inflation of 1.20 percent and Tual experienced inflation of 0.52 percent

In December 2018 out of 82 CPI cities in Indonesia, 80 cities experienced inflation and 2 cities experienced deflation. Ambon City experienced inflation of 1.20 percent with CPI of 130.23 and Tual City experienced inflation of 0.52 percent with CPI of 155.79.

The highest inflation occurred in Kota Kupang at 2.09 percent with CPI of 135.96 and the lowest inflation occurred in Kota Banda Aceh by 0.02 percent with CPI of 128.20. The highest deflation occurred in Sorong City, at 0.15 percent with CPI of 134.89 and the lowest occurred in Kendari City at 0.09 percent with CPI of 128.48.