Preliminary data from the Centers for Disease Control suggest that the number of births in the United States was up in 2014 for the first time in seven years. The country added 3.99 million babies, 54,000 more than in 2013. Forty-six percent of the babies were non-white.

For some time, it's been expected that the population would slowly grow less white, thanks in part to higher birth rates among Hispanics in particular.

In 2014, every group except Native Americans saw an increase in the number of births. But compared to representation in the population as a whole, the number of babies born in non-white groups was overrepresented. Non-Hispanic whites are 62.6 percent of the population, but were only responsible for 53.9 percent of babies. Hispanics are 17.1 percent of the population, but were 22.9 percent of births.

Interestingly, the group that had the biggest increase in number of births wasn't Hispanics. It was Asians. The number of births among Asians increased 6.4 percent, compared to 1.5 percent for Hispanics and 1.4 percent for whites. The increase in non-Hispanic white births from 2013 was about 17,300. Among Asians, a much smaller percent of the population, the CDC reports an increase of 17,000.

In every state but one -- Vermont -- the percentage of all babies born who were Hispanic exceeded the percentage of Hispanics in the state's population. The difference was most pronounced in the Southwest, but also in the area immediately around New York City.

(Among Asians, interestingly, the per-state differences were generally much smaller -- except in Hawaii.)

We're not going to overlay the politics here. That's certainly been done enough, and this is a small data point in a long trend. It does, however, reinforce that this politically important trend is underway.