Brunei Darussalam Inflation Index, Average Consumer Prices. Units: Index. Multiplier: . Estimates begin after 2015 . This data is sourced from www.opendataforafrica.org where it is offered under an open data licence (www.opendataforafrica.org/legal/termsofuse). Expressed in averages for the year, not end-of-period data. A consumer price index (CPI) measures changes in the prices of goods and services that households consume. Such changes affect the real purchasing power of consumers? incomes and their welfare. As the prices of different goods and services do not all change at the same rate, a price index can only reflect their average movement. A price index is typically assigned a value of unity, or 100, in some reference period and the values of the index for other periods of time are intended to indicate the average proportionate, or percentage, change in prices from this price reference period. Price indices can also be used to measure differences in price levels between different cities, regions or countries at the same point in time. [CPI Manual 2004, Introduction] For euro countries, consumer prices are calculated based on harmonized prices. For more information see http://epp.eurostat.ec.europa.eu/cache/ITY_OFFPUB/KS-BE-04-001/EN/KS-BE-04-001-EN.PDF.] Source: National Statistics Office. Department of Economic Planning and Development, Prime Minister's office, downloaded via CEIC. Latest actual data: 2015. Latest observation Mar. 2016 Harmonized prices: No Frequency of source data: Monthly. Monthly data available from 2003 onward. Prior to 2003 data available on annual basis, therefore eop data equal to average data before 2003 Base year: 2010. January 2010=100 Primary domestic currency: Brunei dollar Data last updated: 07/2016.