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Notice of revision to the Wholesale Price Index (WPI): The data in this release was revised on 22 October 2020. See here for further information  
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E-mail: Jillian Delaney Chris Moriarty Deirdre Dalton
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This release was compiled during the COVID-19 pandemic. For further information see Information Note on Implications of COVID-19 on the Wholesale Price Index - April 2020

CSO statistical release, , 11am

Wholesale Price Index

April 2020

 Price index (Year ‘15=100)% monthly change% annual change
Feb 202092.62.5%-0.8%
Mar 202090.6-2.2%-4.2%
Apr 202089.0-1.8%-6.1%

Annual Manufacturing Prices decrease by 6.1% in April

Figure 1 - Manufacturing Industries Output Price Index
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Monthly factory gate prices decreased by 1.8% in April 2020. This compares to an increase of 0.2% for April of last year. The annual percentage change showed a decrease of 6.1% in April 2020, compared to a decrease of 4.2% in the year to March 2020.  See graph across and table 1.

In the month, the price index for export sales decreased by 1.9%, while the index for home sales decreased by 0.5%. In the year there was a decrease of 6.4% in the price index for export sales (this can be influenced by currency fluctuations) and a decrease of 1.5% in respect of the price index for home sales.  See table 2 and Figure 2.

Figure 2 - Manufacturing Industries: Output Price Indices for Home and Export Sale (Base: Year 2015 = 100)
Table 1 Manufacturing Industries Output Price Indices (excluding VAT)
 Base: Year 2015 as 100
PeriodManufacturing Industries Output Price IndexManufacturing Industries Output Price Index (Home Sales)Manufacturing Industries Output Price Index (Export Sales)
Price Index% Change on preceding periodAnnual % changePrice Index% Change on Preceding PeriodPrice Index% Change on Preceding Period
2015Quarter 198.7--99.9-98.7-
 Quarter 2100.61.9-99.90.0100.61.9
 Quarter 399.5-1.1-100.20.399.4-1.2
 Quarter 4101.21.7-100.1-0.1101.31.9
2016Quarter 1100.7-
 Quarter 299.6-1.1-1.0101.11.599.5-1.2
 Quarter 399.3-0.3-0.2100.6-0.599.2-0.3
 Quarter 4102.22.91.0100.3-0.3102.33.1
2017Quarter 1103.00.82.3100.1-0.2103.20.9
 Quarter 2103.90.94.3100.10.0104.10.9
 Quarter 399.8-3.90.5100.40.399.8-4.1
 Quarter 498.2-1.6-3.999.0-1.498.2-1.6
2018Quarter 1102.74.6-0.398.6-0.4102.94.8
 Quarter 2101.3-1.4-2.598.70.1101.4-1.5
 Quarter 398.4-2.9-1.499.10.498.3-3.1
 Quarter 492.7-5.8-5.699.30.292.4-6.0
2019Quarter 194.11.5-8.4100.61.393.81.5
 Quarter 294.90.9-6.3100.
 Quarter 394.4-0.5-4.1100.80.294.2-0.5
 Quarter 489.6-5.1-3.3100.6-0.289.1-5.4
2020Quarter 191.21.8-3.199.5-
 April 100.7-0.8-
 April 94.80.2-5.9100.6-
Table 2 Industrial Producer Price Indices (excluding VAT)
Base: Year 2015 = 100
Industrial sector         IndexMonthly % ChangeAnnual % Change
NACE code1
Mar 2020Apr 2020Feb 2020Mar 2020Apr 2020Apr 2020
Food Products10104.7102.51.5-2.5-2.11.2
       Meat and meat products10199.693.33.2-0.6-6.3-5.4
       Fish and fish products102134.8132.01.9-0.9-2.11.8
       Fruit and vegetables103104.5104.8-
       Vegetable and animal oils and fats10490.093.13.5-7.33.4-0.1
       Dairy products105117.0115.6-0.92.5-1.23.4
       Grain milling, starches and animal feeds106,10971.472.00.3-0.80.8-1.6
       Bakery and farinaceous products10793.894.40.5-1.50.6-0.2
       Other food products108107.2106.51.4-4.5-0.74.0
Tobacco Products12******
Wearing apparel14109.3109.
Leather and leather products (incl. footwear); dressing and dyeing of fur15101.5101.
Wood and wood products16103.0103.70.7-1.70.7-3.4
Pulp, paper and paper products1793.493.90.6-2.00.5-0.3
Printing and reproduction of recorded media1895.496.70.8-2.81.4-0.4
Coke and refined petroleum products19******
Chemicals and chemical products2098.598.80.0-
Basic pharmaceutical products and pharmaceutical preparations21******
Rubber and plastic products2290.491.20.3-2.00.9-0.9
Other non-metallic mineral products2396.497.41.5-4.61.0-1.8
Basic metals2492.394.50.7-2.32.4-5.5
Fabricated metal products, except machinery and equipment2598.399.91.2-
Computer, electronic and optical products26******
Electrical equipment2786.687.30.7-1.90.8-0.1
Machinery and equipment n.e.c.28******
Motor vehicles, trailers and semi-trailers29105.1105.20.1-
Other transport equipment30110.5110.60.1-
Furniture 3194.894.8-1.9-
Other Manufacturing32******
Repair and Installation of machinery and equipment33******
Mining and quarrying05-0972.373.1-3.0-7.51.1-14.8
Total transportable goods industries 90.688.92.5-2.2-1.9-6.2
Food products, Beverages and Tobacco Products10-12104.3102.21.4-2.4-2.01.7
Manufacturing industries excluding Food Products  88.587.02.7-2.1-1.7-7.3
Manufacturing Industries excluding Food Products, Beverages and Tobacco Products 88.486.82.7-2.1-1.8-7.6
Intermediate goods industries (except energy) ******
Capital goods industries ******
Durable consumer goods industries ******
Non-durable consumer goods industries ******
Manufacturing industries (home sales)2 99.699.10.20.1-0.5-1.5
Manufacturing industries (export sales)2
Total manufacturing industries2 90.689.02.5-2.2-1.8-6.1
1 Nace Rev. 2 Statistical classification of economic activities in the European Community.
2 Excludes Mining and quarrying.
* Data suppressed for confidentiality reasons.
Table 2A Contribution to changes in the Manufacturing Output Price Index, April 2020 (Table 2)
Industrial sectorNACE code 1Contribution to overall % change2
One monthTwelve months
Food Products10-0.320.17
       Meat and meat products101-0.24-0.19
       Fish and fish products102-0.010.01
       Fruit and vegetables1030.000.00
       Vegetable and animal oils and fats1040.000.00
       Dairy products105-0.020.05
       Grain milling, starches and animal feeds106,1090.00-0.01
       Bakery and farinaceous products1070.000.00
       Other food products108-0.060.31
Tobacco Products12**
Wearing apparel140.000.00
Leather and leather products (incl. footwear); dressing and dyeing of fur150.000.00
Wood and wood products160.00-0.01
Pulp, paper and paper products170.000.00
Printing and reproduction of recorded media180.000.00
Coke and refined petroleum products19**
Chemicals and chemical products200.010.00
Basic pharmaceutical products and pharmaceutical preparations21**
Rubber and plastic products220.01-0.01
Other non-metallic mineral products230.01-0.01
Basic metals240.01-0.02
Fabricated metal products, except Machinery and equipment250.010.00
Computer, electronic and optical products26**
Electrical equipment270.010.00
Machinery and Equipment n.e.c.28**
Motor vehicles, trailers and semi-trailers290.000.00
Other transport equipment300.000.00
Furniture 310.000.00
Other Manufacturing32**
Repair and Installation of machinery and equipment33**
Mining and quarrying05-090.00-0.05
1 Nace Rev. 2 Statistical classification of economic activities in the European Community.
2 See Background Notes.
* Data suppressed for confidentiality reasons
Table 3 Detailed Wholesale Price Indices (excluding VAT) for Building and Construction Materials
Base: Year 2015 = 100
MaterialsIndexMonthly % ChangeAnnual % Change
Mar 2020Apr 2020Feb 2020Mar 2020Apr 2020Apr 2020
Stone, sand and gravel113.4121.2-
       Sand and gravel116.2141.8-4.9-
Ready mixed mortar and concrete109.5111.
Concrete blocks and bricks104.3105.7-
Other concrete products105.2105.
       Precast concrete112.4112.
       Other concrete products (Excluding precast concrete)104.4104.
Structural steel and reinforcing metal114.2114.
       Structural steel120.7120.
              Fabricated metal123.4123.
              Other Structural steel98.698.41.41.1-0.2-6.5
       Reinforcing metal104.3104.
       Other steel products103.8104.
Rough timber (including plain sawn)107.2107.20.0-0.60.0-1.9
Other timber105.1105.
       Windows and doors107.0107.
Bituminous macadam, asphalt and bituminous emulsions106.0106.6-
       Bituminous macadam and asphalt106.0106.7-
       Bituminous emulsions106.8103.70.6-1.7-2.9-2.2
Electrical fittings104.4104.60.1-0.10.2-0.1
       Lighting equipment107.5107.
       Protection & communication equipment 103.4103.00.1-0.1-0.40.9
All other materials105.8105.60.3-0.1-0.20.3
       Plumbing materials incl. sanitary ware105.6105.
       HVAC (heating & ventilation equipment) 104.5104.
       Insulating materials102.8102.
       Pipes and fittings106.2105.50.0-0.4-0.7-0.7
       Paints, oils and varnishes120.3120.
       All other metal fittings109.1109.
       All other products105.0105.
All materials107.7108.6-
Table 4 Capital Goods Price Indices (excluding VAT)
Base: Year 2015 = 100
Capital goodsIndexMonthly % ChangeAnnual % Change
Mar 2020Apr 2020Feb 2020Mar 2020Apr 2020Apr 2020
Transportable capital for use in      
        of which:      
              Private vehicles1102.4102.
              Commercial vehicles104.9104.90.0-
Agriculture and industry105.7105.
Other sectors106.1106.30.0-
Total transportable capital105.9106.10.1-
Building and construction108.2109.2-
(i.e. materials and wages)      
All capital goods107.7108.5-
1 Private vehicles are inclusive of VAT which is non-deductible for industry and agriculture.
Table 5 Wholesale Price Indices (excluding VAT) for Energy Products
(i.e. Fuels purchased by Manufacturing Industry)
Base: Year 2015 = 100
Energy fuelsIndexMonthly % ChangeAnnual % Change
Mar 2020Apr 2020Feb 2020Mar 2020Apr 2020Apr 2020
Gas oil (other than autodiesel)90.385.4-3.4-12.2-5.4-21.8
Fuel oil96.788.0-2.9-9.6-9.0-22.5
Petroleum fuels195.688.8-2.9-9.7-7.1-20.3
Energy products74.064.0-13.8-2.5-13.5-34.6
1 Energy products excluding electricity.

Background Notes

Wholesale Price Index        

The term Industrial Producer Price Index refers to a family of indices that measure the average change over time in the selling prices received by domestic producers of goods and services. The other three wholesale price index series incorporate imported and home produced goods sold by manufacturers and wholesale outlets.


The output price indices for sectors of Manufacturing Industries cover both home sales and export sales.  The Indices for Total transportable goods industries; Food, drink and tobacco; Manufacturing industries excluding food; Manufacturing industries excluding food, drink and tobacco; Intermediate goods industries (except energy); Capital goods industries; Durable consumer goods industries; Non-durable consumer goods industries; Manufacturing industries (home sales); Manufacturing industries (export sales) and Total manufacturing industries are all calculated on a net sector basis, i.e. the weights used to combine the sectoral indices (including those for sectors not distinguished in Table 2) exclude sales to other sectors of Manufacturing Industry.

Table 2A gives the percentage contribution of each sector (including those not published on Table 2) to the overall percentage change on Table 2. The percentage contributions on Table 2A may not add up to the Total Manufacturing industries percentage change on Table 2 due to rounding and other adjustments for presentational purposes.  In comparing these contributions against these percentage changes in indices presented on Table 2 caution should be exercised as the former is calculated on a net sector basis.

The Building Materials, Capital Goods and Energy Products indices (Tables 3, 4 and 5) cover home production and imports of these commodities.  Table 3, the Wholesale Price Index for Building and Construction Materials, provides only a general indication of price trends in that sector.  Actual transaction prices are collected for materials purchased by construction and civil engineering firms. The price indices reflect an ‘average’ over a mixture of products from many companies throughout the country.  They also reflect prices for both long-term and short-term contracts and for high and low volume civil engineering works. It should be noted that long-term, high volume fixed contracts for major works might dilute in the short-term the impact of emerging price changes on the index.  Furthermore, industry sources have confirmed that price increases notified by companies may not always be achieved in practice following negotiations. Much depends on the prevailing market conditions. Therefore changes over the short-term in the indices derived from these transaction prices will not always coincide with price changes notified by companies.


All indices in the series are based on prices at the 15th of the month. Quarterly and annual indices are simple averages of the corresponding monthly indices.

Prices used in the compilation of the indices are:

  • excluding delivery charges itemised on the invoice separately
  • after discounts or surcharges are applied
  • before addition of direct subsidies
  • exclusive of VAT (except for private vehicles used in Table 4)
  • inclusive of excise duty

Every effort is made by the Wholesale Prices Section to collect all prices for the relevant month. Where this is not possible late prices are included in the following month’s calculations.


This Wholesale Price Index series is compiled to base 2015 = 100. A methodological description of this updated series is given in the Wholesale Price Index Introduction to Series 2015=100 (1) (PDF 468KB)

Calculating percentage changes in the index

The movement of the output price indices is expressed as percentage change, rather than a change in index points, because index point changes are affected by the level of the index in relation to its base period, whereas percentage changes are not.

The example below illustrates the computation of a percentage change:

Percentage change calculation  
Current index  105.6
Less previous index  102.1
Equals in index points   3.5
Divided by the previous index   102.1
Equals   0.0343
Results multiplied by 100   0.0343 x 100
Equals percentage change   3.4

Alternatively, users may calculate a percentage change by dividing the current index by the previous index, multiplying by 100 and then subtracting 100.

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