In most cases, internal job applicants who are rejected end up quitting: research indicates they are nearly two times as likely to leave their organizations compared to those who were either hired for an internal job or had not applied for a new job at all.

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Employee retenton for HBR Research: Why Rejected Internal Candidates End Up Quitting
Employee retenton for HBR Research: Why Rejected Internal Candidates End Up Quitting
Character design, female, woman, femininity, empowerment, girl boss. Concept of female power and growth
Vibrant illustration of a woman in an orange outfit and rainbow-soled sneakers performing a high kick. The background features bold blue and white abstract shapes.
Dark-skinned woman, girl blossoming with joy looking into the future by Monsie Monika Jurczyk