ENOfficial
It was narrated that: Abdullah said: “The Prophet (ﷺ) married Aishah when she was seven years old, and consummated the marriage with her when she was nine, and he passed away when she was eighteen.”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا أَحْمَدُ بْنُ سِنَانٍ، حَدَّثَنَا أَبُو أَحْمَدَ، حَدَّثَنَا إِسْرَائِيلُ، عَنْ أَبِي إِسْحَاقَ، عَنْ أَبِي عُبَيْدَةَ، عَنْ عَبْدِ اللَّهِ، قَالَ تَزَوَّجَ النَّبِيُّ ـ صلى الله عليه وسلم ـ عَائِشَةَ وَهِيَ بِنْتُ سَبْعٍ وَبَنَى بِهَا وَهِيَ بِنْتُ تِسْعٍ وَتُوُفِّيَ عَنْهَا وَهِيَ بِنْتُ ثَمَانِي عَشْرَةَ سَنَةً .
sunnah.com