The 12 Human Life Stages (with typical age ranges)
Prenatal – conception to birth
Infancy – ~0 to 2 years
Toddlerhood – ~2 to 4 years
Early Childhood – ~4 to 8 years
Middle Childhood – ~8 to 12 years
Adolescence – ~13 to 20 years
Early Adulthood – ~20 to 40 years
Midlife – ~40 to 50 years
Late Midlife – ~50 to 65 years
Early Elderhood – ~65 to 80 years
Late Elderhood – ~80+ years
Death / Dying (final transition stage) – end-of-life process (not tied to a fixed age)
