6–7: The New College Timeline and the Delay of Adulthood
The “four-year degree” now often stretches to six or seven years. How a longer college timeline is quietly delaying adulthood and life milestones.

The “four-year degree” now often stretches to six or seven years. How a longer college timeline is quietly delaying adulthood and life milestones.

For most of history, having children marked the start of adulthood. Today it’s delayed for years—reshaping responsibility, purpose, and life timelines.

Marriage once marked the beginning of adulthood. Today it’s treated as the final milestone. Here’s why delayed marriage is reshaping the modern life timeline.

For decades, the American dream included owning a home by your late twenties. Parents who bought starter homes in the early 1990s remember signing the deed around age 28 and moving in with a young family. Fast-forward thirty years and those same parents are stunned: according to the National Association of Realtors (NAR), the median first-time homebuyer is now 40 years old. A year earlier the median age was 38; five years ago it was 33; in 1991 it was 28. In other words, the “starter home” has shifted by over a decade within a single generation.
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