Wisdom of today.

Ashrama – the 4 age-based life stages :

Brahmacharya (until age 24) - student, celibate, acquiring knowledge (dharma) 

Grihastha (age 24-48) - maintaining a household, raising family (artha and kama) 

Vanaprastha (age 48-72) - retiree, pass to next generation (less artha and kama) 

Sannyasa - (age 72 and up) - renunciation of material desires (moksha)

Source : https://capable-pincushion-35a.notion.site/Glossary-123228818f5e4b65a57601e051dba84b