The 5th edition of the Men's FINA World Water Polo Development Trophy was held in Tehran, Iran from May 24 to May 29, 2015.
[1] 10 teams qualified for the 2015 FINA World Water Polo Development Trophy.
After playing a Round-robin, the best ranked team of Group A plays against the best ranked team of Group B for the title, the second ranked team of Group A against the second ranked team of Group B for the 3rd place.
The third ranked team of Group A against the third ranked team of Group B for the 5th place, the fourth ranked team of Group A against the fourth ranked team of Group B for the 7th place, and finally, the fifth ranked team of Group A against the fifth ranked team of Group B for the 9th and 10th place respectively.
Azerbaijan Kuwait Morocco Malta Uruguay Iran Austria Guatemala Indonesia Tunisia [2]