Of the 64 countries in this category, about half have Christian symbols (48%) and about a third include Islamic religious symbols (33%).
Pakistan should learn to live with TTP for now. Taliban won't help
Flag of Russia, History, Design, Symbolism
Redesign of the Republic of Ireland Flag : r/vexillology
64 Countries Have Religious Symbols On Their National Flags Pew
Flag of Nicaragua, Meaning, Colors & Symbol
Flags, Symbols & Currency of Russia - World Atlas, russia flag
Flag - New World Encyclopedia
Flag of Norway - Wikipedia
Flags, Symbols, & Currencies of Liechtenstein - World Atlas