Health savings accounts have grown to an estimated $22.8 billion in assets and roughly 11.8 million accounts, according to latest figures from Devenir.

Stuck financially between a rock and a hard place, many fear the approach of retirement. Either they lack the money to leave the workplace or know that, if they leave, the money will run out and theyll be back.

The news is the latest in a long line of evidence suggesting the asset class is here to stay.

The reasons companies engage wellness programs vary among U.S. and global employers.