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YearMonthComposite Consumer Price IndexConsumer Price Index (A)Consumer Price Index (B)Consumer Price Index (C)
IndexYear-on-year % changeIndexYear-on-year % changeIndexYear-on-year % changeIndexYear-on-year % change
2011 106.0 +5.3 106.4 +5.6 105.8 +5.2 105.8 +5.1
2012 110.3 +4.1 110.3 +3.6 110.4 +4.3 110.1 +4.1
2013 115.1 +4.3 115.9 +5.1 114.9 +4.1 114.3 +3.8
2013 Jun 115.2 +4.1 116.9 +4.6 114.7 +3.9 113.8 +3.7
Jul 115.8 +6.9 117.4 +12.0 115.4 +5.0 114.5 +4.0
Aug 113.2 +4.5 109.9 +4.9 114.6 +4.4 114.9 +4.3
Sep 113.7 +4.6 110.7 +5.1 115.1 +4.5 115.1 +4.2
Oct 116.8 +4.3 118.5 +4.5 116.4 +4.4 115.6 +4.1
Nov 117.1 +4.3 118.7 +4.4 116.7 +4.4 115.9 +4.2
Dec 117.7 +4.3 119.2 +4.3 117.3 +4.4 116.4 +4.1
2014 Jan 118.3 +4.6 119.9 +4.5 118.0 +4.8 116.9 +4.5
Feb 118.8 +3.9 120.8 +4.2 118.4 +4.0 117.1 +3.5
Mar 118.5 +3.9 120.6 +4.3 118.1 +3.9 116.8 +3.5
Apr 119.3 +3.7 121.3 +3.9 118.9 +3.8 117.8 +3.5
May 119.2 +3.7 121.2 +3.9 118.8 +3.7 117.7 +3.5
Jun 119.3 +3.6 121.2 +3.7 118.9 +3.6 117.8 +3.5
Jul 120.5 +4.0 122.8 +4.6 119.9 +4.0 118.6 +3.5
Aug 117.6 +3.9 115.2 +4.8 119.0 +3.8 118.6 +3.2
Notes : '0.0'Denotes increase or decrease of less than 0.05%.
 Four series of Consumer Price Indices (CPIs) are compiled to reflect the impact of consumer price changes on households in different expenditure ranges.
 The CPI(A), CPI(B) and CPI(C) are compiled based on the expenditure patterns of households in the relatively low, medium and relatively high expenditure ranges. By aggregating the expenditure patterns of all households covered by the above three indices, a Composite CPI is also compiled to reflect the impact of consumer price changes on the household sector as a whole. The year-on-year rate of change in this index is generally taken to reflect overall consumer price inflation.
 The CPI(A), CPI(B) and CPI(C) respectively cover some 50%, 30% and 10% of households in Hong Kong. The average monthly household expenditures (in HK$) of these groups during the base period (i.e. October 2009 - September 2010) were $4,500 - $18,499, $18,500 - $32,499 and $32,500 - $65,999 respectively. Taking into account the impact of price changes since the base period, the monthly household expenditure ranges of the CPI(A), CPI(B) and CPI(C) adjusted to the price level of 2013 are broadly equivalent to $5,200 - $21,400, $21,400 - $37,300 and $37,300 - $75,500 respectively, and that of the Composite CPI is broadly equivalent to $5,200 - $75,500. The Composite CPI is compiled based on the expenditure patterns of all these households taken together.
 In deriving the year-on-year rates of change, indices of more than 1 decimal place are used in the calculation. Furthermore, the year-on-year rates of change before October 2010 were derived using the index series in the base periods at that time (for instance the 2004/05-based index series), compared with the index a year earlier in the same base period.
Source : Consumer Price Index Section,
Census and Statistics Department
(Enquiry telephone no. : 2805 6403
 Enquiry e-mail : cpi@censtatd.gov.hk)



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