There's a lot happening for different groups in Europe. Protestants are booming in China. Watchtower spends so many hours recruiting new members. Still there's really not that much happening.
https://www.conservapedia.com/Growth_of_evangelical_Christianity_in_irreligious_regions
https://premierchristian.news/en/news/article/christianity-flourishing-across-europe-new-survey-shows
https://www.christianpost.com/news/evangelical-christians-continue-decades-of-growth-in-spain.html