Training Program

This course provides an overview of key CPI concepts, methods and uses. It covers different index number formulas and the practical implications of choosing the index number formula at lower and higher levels of aggregation. The course also discusses the sources and methods for sampling areas, items, outlets, and varieties; treatment of temporarily and permanently missing prices; and updating and linking CPI data series. Linkages to the 2025 SNA are highlighted, including the related principles of scope, coverage, and valuation.

The course covers the following topics: 

• defining key CPI concepts, uses, and their impact on the CPI design; 
• meeting data users' needs to ensure relevancy;
• calculating elementary and upper-level indexes;
• methods for sampling areas, items, outlets, and varieties; 
• methods for handling temporarily and permanently missing prices, including adjusting prices for quality changes; and 
• chaining and linking indexes with updated weighting structures. 
   

The course follows the principles and recommendations of the CPI Manual (2020).