The best measure of an outplacement program’s success is the:

The success of an outplacement program is best measured by the number of displaced employees successfully re-employed. This demonstrates the program’s effectiveness in helping employees transition to new opportunities.

Official Extract:

"The effectiveness of outplacement programs is assessed by measuring the reemployment rates of separated employees."

(Source: HRCI PHR Content Outline 2024–2025, Talent Planning and Acquisition Section, Separation and Transition Programs)