The Pacific Ocean touches 40+ sovereign states and territories across five continental groupings:
Canada, United States, Mexico
Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama
Colombia, Ecuador, Peru, Chile
Russia (Pacific coast), Japan, China, North Korea, South Korea, Taiwan
Philippines, Indonesia, Malaysia, Thailand, Vietnam, Cambodia, Brunei, Singapore
Australia, Papua New Guinea, New Zealand, Fiji, Tonga, Samoa, Solomon Islands, Vanuatu, Micronesia, Palau, Kiribati, Nauru, Tuvalu, Marshall Islands
Plus numerous territories (e.g., French Polynesia, Guam, New Caledonia, Hawaii US). The Pacific covers ~30% of Earth's surface.