Wow, this article is definitely interesting. I don't know many parents that still support their kids by age 34 but that is definitely a life long commitment.
A study based on census data from over a 30-year period found that American parents spend an average of $38,000 on each child aged 18-34, or about $2,200 a year for education, housing, food, or cash. Families with higher incomes spend about three times that of families with low-incomes, and family spending rates are rising over time due to the longer, more challenging road to independence.(Read full article)