Crossword clues for Most populous island in the world 4 letters:JAVAWorld's most populous islandJAVAMost populous island in the worldJAKARTACapital on the world's most populous islandHONSHUSecond-most populous island in the worldSUMATRAWorld's fifth most populous islandONENINTHApproximate proportion of the world's population that lives on an island