The Grand Prize Photographer of the Year Award went to Jashim Salam, who submitted a photograph called "Displaced," captured in Bangladesh.
The first place award went to Alexandre Weber for his shot of a woman wearing a colorful skirt in Salvador de Bahia, Brazil, while second place went to Huapeng Zhao for a photograph of a boy with a fish.
Along with the overall winners, IPPA also chooses winning photographs from a range of categories that include abstract, animals, architecture, children, floral, landscape, lifestyle, nature, news-events, other, panorama, people, portrait, series, still life, sunset, travel, and trees.
Apple CEO Tim Cook took to Twitter this evening to congratulate the award winners.
Apple's iPhones are popular photography tools, and Apple has maintained a long running "Shot on iPhone" ad campaign to showcase photos and videos captured with the iPhone. IPPA award winning photos were captured using a range of devices, from the iPhone 5 to the iPhone X.
All of the winning photographs from 2018 are displayed on the IPPA website.