ATD's State of the Industry report is a valuable resource. The full report is available for download, free to members. Non-members can purchase the full report for US$499 from the ATD Store. Other Sources Market data on past, current, and future training and e-learning expenditures is rarely free and is expensive to collect and analyze. Fees vary; current market information on the training industry may cost as much as $3,000-$5,000.
Gartner Group IDC