More and more people are starting to abandon their religion worldwide.
Everywhere, there are less and less people who are religious.
ご質問ありがとうございます。
① "More and more people are starting to abandon their religion worldwide."＝「世界中、宗教を捨て始める人が増え始めている。」
② "Everywhere, there are less and less people who are religious."＝「至る所で、信心深い人が減るつつある。」
ご参考に！
アメリカ合衆国 
