From 1990 to 2001, the rate of decline in the number of self-identified Christians was 0.86% (from 86.2% to 76.7%), but from 2001 to 2008, it that decline was only 0.10% a year (from 76.7% to 76.0%). That is a significant slowdown in the rate of decline of self-identified Christians as a percentage of Americans. The causes for this change are not at all clear, and far beyond the reach of hackneyed generalizations about the cultural mood of the 1990's versus our current decade. Anyway, I am not particularly interested in the causes of this change, but rather the effects it will have on future religious self-identification.
Looking at the age crosstabs of the poll (page 14 of the pdf), it appears that, last year, just under 69% of the population under the age of 30 self-identified as Christian, while just under 75% of the 30-49 population self-identified as Christian. Twelve years from the date of the survey, in 2020, these numbers project to a national Christian self-identification of about 73%, or a decline of 3% from current levels. While higher than the rate of decline from 2001-2008, it is still closer to that slower rate than to the rapid downward shift in Christian self-identification from 1990-2001.
According to current voting patterns, where non-Christians broke for President Obama by a 75%-23% margin, it also indicates a national shift of about 1.5% in favor of Democrats by the time of the 2020 elections. Add that 1.5% to the projected 2.5% shift expected for Democrats from the rising number of non-whites in the electorate, and overall trends suggest a 4% shift in favor of the Democratic coalition eleven years from now. Since 1988, Republicans have only won two presidential or congressional elections by more than 4%--the 1994 and 2002 midterm elections. Clearly, maintaining the current demographic balance of the two major political coalitions is a big-time, and long-term, loser for Republicans. They simply must improve their performance among growing demographics.
It is also worth noting that, long-term, America will have more Muslims than Jews, as currently there are equal numbers of both under the age of 30. However, the number of Buddhists is rising so rapidly, that they might not only pass both groups, but they could even pass Mormons in total population. Also, long-term the number of Baptists is in for a huge decline, greater than that currently facing Mainline Protestants. Only 8.3% of the 18-29 population self-identifies with the Baptist religious tradition. While I don't know the specific political indications of these smaller trends, they do seem significant on at least a cultural level. |