Worldwide Wallet Methodology, 2026

This IDC Market Perspective provides a detailed description of IDC's Worldwide Wallet methodology. It outlines the key inputs and approach to developing account-level technology spending estimates and explains the relationship with IDC's Worldwide ICT Spending Guide: Enterprise and SMB by Industry."IDC's Worldwide Wallet methodology is a reference document to help IDC's clients understand how to interpret the account-level spending estimates in this program," said David Lantsman, director, IDC's Data and Analytics group. "Marrying the Worldwide Wallet data with the Worldwide ICT Spending Guide data creates a symbiotic relationship and allows IDC to leverage the expertise of hundreds of analysts, inputs, and resources, as well as robust financial information."