Changes in data collection techniques make it difficult to compare past, present and future employment numbers and salaries for managers in human resources, compensation and benefits, and training and development. Before 2004, the Standard Occupational Classification system did not capture management-level occupation data for compensation and benefits or for training and development.
In the past eight years, salaries for all three categories of managers have shown a slow but steady increase. The number of HR managers has risen steadily, with a significant uptick from the beginning of the 2008 recession. However, total employment for training and development managers has stayed flat and dropped by more than half for compensation and benefits managers.
Workforce Management, July 2012, p. 14