The latest market analysis indicates that the volume of eSIM-enabled device shipments reached 384 million last year. The resulting projections suggest that this figure will grow to about 2 billion over the next 6 years. Smartphones will account for the vast majority of the units in question.
https://www.notebookcheck.net/eSIM-enabled-device-shipments-are-now-thought-to-approach-2-billion-by-2025.427238.0.html