How did Indonesia become the biggest Muslim country?

Sources: Musnad Ahmad 8952; Majallat Jami'at Umm al-Qura 2/348–353; al-'Usayri, Mujaz al-Tarikh al-Islami 1/299–301, 1/416; al-Tantawi, Dhikrayat 6/236–267; Majallat al-Risala 987/16; Rihlat Ibn Battuta 4/109–114; Britannica; Asia Society chronology; Ricklefs (via Wikipedia, “Spread of Islam in Indonesia”); Pew Research Center (2025). Researched with Qaf.
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