All Countries That Have Ongoing Territorial Disputes With Others. However, the People’s Republic of China takes the cake when it comes to disputes it has them with the following countries: Taiwan (ROC), North Korea, South Korea, Japan, Bhutan, India, Vietnam, Philippines, Malaysia, and Brunei.
The United Kingdom, due to it’s former Empire, has disputes all over the world including with: Ireland over the Carlingford Lough and Lough Foyle boundaries Argentina over Falkland Islands, South Georgia and the South Sandwich Islands Turkish Republic of Northern Cyprus and Cyrpurs over Strovilia border checkpoint
Canada and the US have disputed claims over: Machias Seal Island, North Rock, Strait of Juan de Fuca, Dixon Entrance, Portland Canal the Beaufort Sea and disputes over navigation in the Northwest Passage. Tokelau over Swains Island. Colombia, Nicaragua and Jamaica over Bajo Nuevo Bank
However, the People’s Republic of China takes the cake when it comes to disputes it has them with the following countries: Taiwan (ROC), North Korea, South Korea, Japan, Bhutan, India, Vietnam, Philippines, Malaysia, and Brunei.