Sorry, but it looks like you are wrong, or you are using incorrect data sources. I took several specialized sources, and so there, as of 2021, they gave the following assessment for bitcoin:
Glassnode presented a study according to which the number of cryptocurrency users continues to grow linearly and monotonically. This indicates the maturity of the digital money market, experts say. The number of Bitcoin owners is approximately 23.1 million, while the number of addresses with a non-zero balance is at 28.4 million, according to Glassnode analysts.