Presences by Nations (general Pro's and Amateurs)

Editions	Nation	Swimmer
59	Italy	140 (24 women)
56	Argentina	81 (17 women)
43	Egypt	51 (12 women)
39	USA	43 (17 women)
35	Syria	22 (1 woman)
32	Netherlands	19 (7 women)
33	Spain	28 (4 women)
29	Yugoslavia	15 (3 women)
29	France	25 (5 women)
27	Hungary	16 (6 women)
26	England	14 (8 women)
24	Brazil	27 (10 women)
21	Germany	17 (6 women)
21	Canada	19 (12 women)
20	Macedonia	6 (1 woman)
17	Mexico	17 (5 women)
16	India	12 (2 women)
16	Australia	21 (12 women)
15	Lebanon	11
15	Turkey	8
13	Sweden	9 (2 women)
12	Bulgaria	6 (3 women)
10	Iraq	14
10	Russia	7 (5 women)
10	Czech Rep.	8 (2 women)
10	Belgium	7 (2 woman)
9	Saudi Arabia	7
8	Sudan	9 (2 women)
8	Czechoslovakia	8 (4 women)
8	Croatia	5 (4 women)
8	Greece	5
7	Japan	2 (2 women)
7	Kuwait	10
6	Poland	8 (1 woman)
6	New Zeland	8 (4 women)
4	Denmark	4 (2 women)
4	Switzerland	2 (1 woman)
4	Malta	1
3	Belarus	2
3	Slovenia	3
3	South Africa	4 (1 woman)
3	Venezuela	2 (1 woman)
3	Pakistan	2
2	Antille Olandesi	3
2	Israel	2
2	Norway	1
2	Portugal	2
2	Chile	2 (1 woman)
1	URSS	2
1	Austria	1
1	UAE	2
1	Jordan	1
1	Libya	2
1	Oman	4
1	Kazakistan	1
1	Aruba	1
1	Palestine	1
1	Guatemala	1
1	Peru	1
1	Ireland	1