The mushafs, dated to the 1st century Hijri (622-722 AD), authenticate approximately 97% of the text of the Quran. In other words, 97% of the Quran text (6059 out of 6236 verses) can be written just by looking at the mushafs dated between these years.

As van Putten states, yeah, the polemics that the Qu’ran isn’t well-preserved are extremely stupid. It is very well-preserved.

The percentage of the sūrah represented in the 1st century AH Qur’anic manuscripts. Highly fragmented texts are not considered for calculating the percentages. Sūrah al-Baqarah contributes the major part in ~4% lack of the Qur’an content.

A study of the manuscripts and the percentage of the Qur’anic text they contain show that Ms. Or. 2165 comes on top of the list with ~53% of the text. After this comes Arabe 328a and DAM 01-29.1 with ~26% and ~22% of the text, respectively.

- When these three manuscripts are taken together, they contain almost 80% of the unique text of the Qur’an. It can also be noted that although some manuscripts may contain a decent amount of Qur’anic text, their net contribution towards the unique text is nil. Manuscripts such as M a VI 165, Arabe 328c, M. 1572b, Arabe 328e, Arabe 6140a, Marcel 19 and many smaller fragments fall into this category. Thus only a few manuscripts are required to collate substantial portions of the unique text of the Qur’an. Vital Statistics of the Qur’anic manuscripts from 1st century of hijra: Total text of the Qur’an present in manuscripts (this study): 580.4 pages (equivalent of Muṣḥaf of Madinah which has 604 pages). This is equal to ~96.1% of the text of the Qur’an.
- https://youtu.be/KLi3F7jTAtA
