NBC News reports that at least 20,000 federal workers have accepted the offer. While this may seem like a large number, it represents less than 1% of workers.

https://www.king5.com/mobile/article/news/national/washington-state-officials-urge-caution-misleading-buyout-promise/281-577f10be-9fd2-4405-adb2-1edf87fc9240