PEW says 55% of Americans pray daily, confirms Gallup's finding that 56% of Americans "feel religious"

Gallup's findings: Mapped: The world's most (and least) religious countries

With high levels of prayer, U.S. is an outlier among wealthy nations:

[T]he U.S. is unique in that it has both a high level of wealth ($56,000 per-capita gross domestic product in 2015) and a high level of daily prayer among its population