Consumer Price Index

Source details

Session No.: OL 26.116
Location: Course conducted online
Date: May 1, 2026 - April 15, 2027 (50 weeks)
Delivery Method: Online Training
Primary Language: Spanish
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.

Provides an overview of key CPI concepts, methods and uses.
Covers different index number formulas and the practical implications of choosing the index number formula at lower and higher levels of aggregation.
Discusses sources and methods for sampling areas, items, outlets, and varieties.
Treats the handling of temporarily and permanently missing prices.
Covers updating and linking CPI data series.
Highlights linkages to the 2025 SNA, including related principles of scope, coverage, and valuation.
Follows the principles and recommendations of the CPI Manual (2020).

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.

Identify key uses of CPI data and explain key CPI concepts and definitions.
Identify and explain differences between index calculation formulas.
Define and explain the different levels of sampling in a CPI and how 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.