The highest annual price increase, of 22.2%, was registered in the transport sector.

Prices of food & non-alcoholic beverages rose by 8.9%, while cost for housing & utilities grow by 11.6%.

On a monthly comparison basis, consumer prices added 0.9% in December after rising by 1.4% in the previous month.

Bulgaria's EU-harmonized consumer price index, or HICP, went up by 6.6% annually in December, and was 1.1% higher than in the prior month.