One in four Americans are grandparents, soon to be 1 in 3. From Grandparents play a bigger role in child-rearing:
America is swiftly becoming a granny state. Less frail and more involved, today's grandparents are shunning retirement homes and stepping in more than ever to raise grandchildren while young adults struggle in the poor economy.
The newer grandparents are mainly baby boomers who are still working, with greater disposable income. Now making up 1 in 4 adults, grandparents are growing at twice the rate of the overall population and sticking close to family — if their grandkids aren't already living with them.
The modern invention of the nuclear family never really worked out that well, did it? Too isolated, too little support and help, etc. Farm families consisted of extended families.