Can we finally put the French vs. other statistics debate to a rest?

_{*Lunatic*, n.
One whose delusions are out of fashion.}

That is, while the ratio between practising and non-practising believers is different, the percentage of non-believers is almost the same.

There is age, too, for example on the example of daily prayer:

On the other hand, the trend is different from the Dutch one: big drop in 1993, then slow rise since in most statistics of religious practice among French Muslims.

_{*Lunatic*, n.
One whose delusions are out of fashion.}