The number of Mushoku Tensei light novels varies. It depends on the author's output and the publisher's decisions. Usually, you can find the latest count on official book-related websites or from dedicated fan communities.
Well, the count of Mushoku Tensei light novels is not fixed. It keeps growing as the series progresses. You might want to check the latest updates from the publisher for the most accurate number.
As of now, there are a considerable number of Mushoku Tensei light novels. But the exact count might change over time with new releases.