As of my last knowledge update in September 2021, there were approximately 7,139 living languages spoken worldwide.1
References
1Rajagukguk R, Malems T, Ginting M. Preserving linguistic diversity: Strategies for language preservation and cultural heritage safeguarding. Jurnal Ilmu Pendidikan dan Humaniora. 2022;11(3):221-236. doi:10.35335/jiph.v11i3.25