The idea that middle age has shifted later raises lots of existential questions www.wsj.com/health/welln...

For many women today, the 40s are no longer considered middle age but rather a flexible phase for expansion and reinvention. Traditional milestones like homeownership, career establishment, and having children have been pushed later due to personal, societal, and economic factors. This shift reflects longer life expectancy, women spending more years building careers, couples delaying marriage, and rising housing and childcare costs.

This redefinition of midlife has significant economic implications. Data from the OECD and United Nations show women are having children later, with the mean age of women at first birth rising by three years between 2000 and 2022 across OECD countries (from 26.4 to 29.5). The average fertility rate for women aged 30 to 34 has now surpassed that of women aged 25 to 29. In the US, the average age at first birth for mothers aged 40-44 increased from 23 in 1990 to 26 in 2018. Women in their 40s and beyond are increasingly central to the labor market, contributing to GDP, job creation, and income generation, a trend researchers call the longevity economy.

Financially, later family formation can boost demand for fertility care, egg freezing, maternity services, and childcare. Longer careers increase spending power in sectors like housing, healthcare, travel, and professional development. Businesses must adapt to a workforce where women in their 40s and 50s balance leadership roles, caregiving, and health transitions. This era is characterized by consolidating careers, caring for families, and reassessing future goals with greater confidence, rather than settling down.

The psychological impact for women is also notable, with 40 becoming a checkpoint for changing careers, starting businesses, or making different life choices, rather than a signal of decline. This trend is expected to continue due to rising life expectancy and the slower adaptation of social institutions. Employers, healthcare systems, and policymakers will face growing demand for flexible work, childcare, fertility support, and midlife health services.