Table 4.

- Proportion of national contribution and citation times for the most productive institutions in Arab countries from January 2017 to March 2023 (ranked descending by times cited).

Rank	Institution names *	Organization types	Countries	Times cited	Publications per institution	Publication per country	% National contribution †	Citation impact ‡	H-index
1	King Saud University	Academic	Saudi Arabia	169,433	11,973	44,288	27.03	14.15	119
2	Cairo University	Academic	Egypt	139,094	9,289	40,790	22.77	14.97	106
3	King Abdulaziz University	Academic	Saudi Arabia	136,934	7,479	44,288	16.89	18.31	117
4	American University of Beirut	Academic	Lebanon	104,920	3,681	7,240	50.84	28.50	99
5	Mansoura University	Academic	Egypt	83,875	4,448	40,790	10.90	18.86	85
6	Ain Shams University	Academic	Egypt	83,644	4,743	40,790	11.63	17.64	92
7	Qatar Foundation	Nonprofit	Qatar	70,901	2,839	7,646	37.13	24.97	95
8	Alexandria University	Academic	Egypt	56,258	4,192	40,790	10.28	13.42	69
9	King Saud Bin Abdulaziz University for Health Sciences	Academic	Saudi Arabia	56,211	3,268	44,288	7.38	17.20	87
10	Hamad Medical Corporation	Health	Qatar	45,882	2,347	7,646	30.70	19.55	77

^*Most productive institutions in the Arab world were ranked based on the total number of publications for the period between January 2017 and March 2023 and limited to the top 20.

^†Number of publications per institution divided by the total number of publications from the same country.

^‡Citation impact is times cited divided by publications number from the same institution.