South Africa-Botswana: none identified

South Africa-Eswatini: Eswatini seeks to reclaim land it says was stolen by South Africa

South Africa-Lesotho: crossborder livestock thieving, smuggling of drugs and arms, and illegal migration are problematic

South Africa-Mozambique: animal poachers cross the South Africa-Mozambique border to hunt wildlife in South Africa’s Kruger National Park; border fences were removed in some areas to allow animals to roam between nature reserves in the two countries; improved patrols, technology, and crossborder cooperation are reducing the problem

South Africa-Namibia: the governments of South Africa and Namibia have not signed or ratified the text of the 1994 Surveyor's General agreement placing the boundary in the middle of the Orange River; the location of the border could affect diamond mining rights; South Africa has always claimed that the northern bank of the Orange River is the border between the two countries, while Namibia’s constitution states that the border lies in the middle of the Orange River

South Africa-various: South Africa has placed military units to assist police operations along the border of Lesotho, Zimbabwe, and Mozambique to control smuggling, poaching, and illegal migration

South Africa-Zimbabwe: Zimbabweans migrate illegally into South Africa in search of work or smuggle goods to sell at a profit back home

Peru-Bolivia: Peru rejects Bolivia's claim to restore maritime access through a sovereign corridor through Chile along the Peruvian border

Peru-Brazil: none identified

Peru-Chile: Bolivia continues to press for a sovereign corridor to the Pacific Ocean; any concession Chile makes to Bolivia to grant them a sovereign corridor requires approval by Peru under the terms of their treaty; in January 2018, the International Court of Justice ruled that Chile is not legally obligated to negotiate a sovereign corridor to the Pacific Ocean with Bolivia

Peru-Chile-Ecuador: Chile and Ecuador rejected Peru's November 2005 unilateral legislation to shift the axis of their joint treaty-defined maritime boundaries along the parallels of latitude to equidistance lines out to 200 nautical miles, which would give Peru 37,900 square kilometers of water

Peru-Colombia: organized illegal narcotics operations in Colombia have penetrated Peru's shared border; problems also include cross border illegal migration, human trafficking, and contraband smuggling

Peru-Ecuador: in 1999, Tiwinza memorial park was created on lands that remains sovereign Peruvian territory, but Ecuador has the right to maintain and administer it in perpetuity

Nepal-China: China may have constructed 11 buildings in Nepal’s Humla region in 2021

Nepal-India: joint border commission continues to work on contested sections of boundary with India, including the 400 sq km dispute over the source of the Kalapani River; the Kalapani issue resurfaced in November 2019 when India issued a new map showing the contested area within India’s borders and then built a new road in the region through Lipulekh pass, an area controlled by India but claimed by Nepal; Nepal countered by amending its constitution and issuing its own map showing the disputed area within its borders; the countries prime ministers briefly discussed the border dispute in April 2022; India has instituted a stricter border regime to restrict transit of illegal cross-border activities