A decline in the US fertility rate has been observed over the past several years. Since 2007, the rate has dropped by more than 20%. This trend is a national phenomenon, with some states experiencing a more significant decline than others.

Further information on this topic is available from the source. Details about the specific states most affected by the decline in fertility rate can be found there.

The source provides more context on the national fertility rate decline, which may be of interest to readers in Barton Creek, TX, looking for more information on this topic.