## Consumer Price Index (CPIx)

## Source details

**Canonical URL:** [Consumer Price Index (CPIx)](https://www.imf.org/en/capacity-development/training/icdtc/schedule/ol/2026/cpixol26-111)

## Other formats

- [Markdown version](/en/capacity-development/training/icdtc/schedule/ol/2026/cpixol26-111/index.md)
- [Structured JSON version](/en/capacity-development/training/icdtc/schedule/ol/2026/cpixol26-111/index.json)
- [Bundle manifest](/en/capacity-development/training/icdtc/schedule/ol/2026/cpixol26-111/bundle-manifest.json)

## Bibliographic details
- Session: OL 26.111
- Location: Course conducted online
- Dates: May 1, 2026 - April 15, 2027 (50 weeks)
- Delivery method: Online Training
- Primary language: English
- Status: Apply online by April 1, 2027

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### Target audience and qualifications
- Target audience: Compilers of consumer price indexes (CPIs) and users of CPI data interested in understanding key concepts and compilation issues.
- Qualifications: Some knowledge of economics and statistics or equivalent experience in CPI is helpful.
- Technical requirements: Access to a computer with a reliable Internet connection and a Google Chrome web browser are essential.

### Course description and topics covered
- Presented by the Statistics Department.
- Follows the principles and recommendations of the CPI Manual (2020).
- Provides an overview of key CPI concepts, definitions, and uses.
- Covers index number formulas and practical implications of formula choice at lower and higher levels of aggregation.
- Discusses sources and methods for sampling:
  - Sampling areas
  - Sampling items
  - Sampling outlets
  - Sampling varieties
- Addresses treatment of missing prices:
  - Methods for handling temporarily missing prices
  - Methods for handling permanently missing prices
  - Adjusting prices for quality changes
- Covers updating and linking CPI data series, including chaining and linking indexes with updated weighting structures.
- Highlights linkages to the 2008 SNA, including principles of scope, coverage, and valuation.
- Emphasizes meeting data users' needs to ensure relevancy.

### Course objectives (learning outcomes)
Upon completion of the online course, participants will be able to:
- Identify key uses of CPI data and explain key consumer price index concepts and definitions and how these are applied in practice.
- Identify and explain differences between the different index calculation formulas.
- Define and explain the different levels of sampling in a CPI and how these sampling methods are applied in practice.
- Identify and explain the different methods for the treatment of missing prices and describe how these are applied in practice.
- Update CPI weights and link old and new indexes to form continuous time series of data.

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## References

- [Online Training](https://www.imf.org/en/capacity-development/training/icdtc/delivery-methods)
- [Apply Now](https://www-ins.imf.org/TAS/signon.aspx?pkey=OL26.111E)
- [Tax Regional Workshop on Strategic Management](https://www.imf.org/en/capacity-development/training/icdtc/schedule/ce/2026/taxce26-43)

_Source: https://www.imf.org/en/capacity-development/training/icdtc/schedule/ol/2026/cpixol26-111_