Lack of workers is not just an American issue. As of January 2022, Britain is also dealing with excess job vacancies compounded by a shortage of legal workers.
Same place as ours. Due to a variety of safety nets, the Labor Participation rate is very low. In the USA, nearly 40% of our working class choose not to participate. Even though over 10 million jobs are available. Also, the reason for the low unemployment rate is a flawed number.