One thing to keep in mind is the size of the millenials relative to Gen-X. The 15-25 cohort is likely much larger than the 35-45 cohort. So some of this decline is just a function of math and not culture.
agree. On my fb I am seeing 25 year old married couples with 2 and 3 children and some are planning 4 to 6. The young are having more babies than the olders.