https://www.pewresearch.org/short-reads/2019/08/02/why-is-th...

https://www.guttmacher.org/gpr/2014/09/what-behind-declines-...

https://www.cdc.gov/nchs/data/nhsr/nhsr104.pdf

Teen marriage rates (15-17) are alread exceptionally low. One would expect as laws are enacted at the state level to raise the minimum marriage age to 18, these declines should continue.

https://www.jahonline.org/article/S1054-139X(21)00341-4/full...

https://www.pewresearch.org/short-reads/2016/11/01/child-mar...