Volume 1: Consumer Price Indices

Kuwait

Official title

Consumer Price Index Numbers.

Scope

The index is compiled monthly and comprises all private households including one-person households.

Official base

1978 = 100.

Source of weights

The weights and selected items were derived from the 1977-78 household budget survey.

Weights and composition

Major groups Number of items Weights Approximate number of price quotations
Food 192357.092484
Beverages and tobacco 812.7085
Clothing and footwear 6799.55323
Housing 14187.0325
Household goods and services 119110.23646
Transport and communication 73152.91105
Education and medical care 5525.49365
Other goods and services 7255.00291
Total (a) 6001000.004324

Note: (a) Varieties representing about 260 items.

Household consumption expenditure

Consumption expenditure for the purpose of the index comprises all the important goods and services purchased for consumption by the index population. It excludes income taxes, investment and savings, and other non-consumption expenditure.

Method of data collection

Price data are obtained from the relevant retail outlets which were chosen on the basis of the extent to which they are patronised by the consumers. The Ministry of Trade and Industry provides price quotations for all subsidised items.

Prices are collected by personal visits of trained staff members, once a month for most of the items, twice a month for fresh fruit and vegetables and each quarter for services. For services provided by government agencies such as transport, postal services, education, health, etc., the necessary changes are made as and when the rates are revised.

Housing

Rent quotations are provided by the Annual Survey of House Rents conducted by the Central Statistical Office.

Specification of varieties

Detailed specifications are provided for each item included in the market basket. A specification gives a complete description of the item, its brand name or trade mark, country of origin, type of packing, quantity or unit, etc. Only the important specifications for each item are included in the price index calculation.

Substitution, quality change, etc.

Quality changes are not taken into account. Every effort is made to secure price quotations for the same item-specifications for which base year prices are available to minimise the influence of quality changes on the index.

Seasonal items

Fresh fruit and vegetables are treated as seasonal items. Each month, a typical market seasonal basket is constructed for fresh fruit and vegetables. Prices are collected for all items in the basket and compared with the prices for the same month of the base year.

Computation

The index is computed according to the Laspeyres formula as a weighted arithmetic average with fixed base, using weights corresponding to the base period.

The price relative for each variety is calculated by dividing the price for the current period by the price for the base period. The index for an item is then calculated as an average of the variety price relatives. In the case of those items available at subsidised as well as free market prices, price relatives are obtained as weighted averages, weights being proportional to the quantities sold at subsidised and free market prices. Also, for some items which are not subsidised, weighted average price relatives are compiled by assigning weights to important varieties.

Other information

Detailed sub-group indices are published for 13 months.

Organisation and publication

Ministry of Planning, Central Statistical Office: Monthly Price Index Number (Kuwait).

Idem: Consumer Price Index Number, Revised Series 1978 = 100, Scope and Method of Construction (Kuwait).