This is driven by institutional customs. The "Holiday Season" (November–December) creates a massive demand for temporary retail staff, warehouse workers, and delivery drivers. Once the holiday passes, demand contracts sharply in January, leading to a spike in unemployment figures.
The defining characteristic of this unemployment is its . Economists and policymakers can forecast these spikes and troughs with high accuracy, allowing for seasonal adjustments in economic data. For example, the unemployment rate in the United States typically rises in January (post-holiday retail layoffs) and June (students entering the workforce), and falls during the summer months. meaning of seasonal unemployment