Kenya-Ethiopia: their border was demarcated in the 1950s and approved in 1970; in 2012, Kenya and Ethiopia agreed to redemarcate their boundary following disputes over beacons and cross-border crime

Kenya-Somalia: Kenya works hard to prevent the clan and militia fighting in Somalia from spreading across the border, which has long been open to nomadic pastoralists; in 2021, the International Court of Justice (ICJ) gave Somalia control over a disputed ocean area where the seabeds are believed to hold vasts oil and gas deposits; the ICJ ruling gave Somalia the rights to several offshore oil exploration blocks previously claimed by Kenya; Kenya did not recognize the court’s decision

Kenya-South Sudan: two thirds of the boundary that separates Kenya and South Sudan's sovereignty known as the Ilemi Triangle has been unclear since British colonial times; Kenya has administered the area since colonial times; officials from Kenya and South Sudan signed a memorandum of understanding on boundary delimitation and demarcation and agreed to set up a joint committee; as of July 2019, the demarcation process was to begin in 90 days, but was delayed due to a lack of funding

Kenya-Sudan: Kenya served as an important mediator in brokering Sudan's north-south separation in February 2005

Kenya-Tanzania: Kenya and Tanzania were conducting a joint reaffirmation process in November 2021 to ensure the border was visibly marked with pillars

Kenya-Uganda: Kenya and Uganda began a joint demarcation of the boundary in 2021 

local border forces struggle to control the illegal transit of goods and people across the porous, undemarcated Armenian, Azerbaijani, and Georgian borders

Armenia-Azerbaijan: tensions existed for years over the break-away Nagorno-Karabakh region and the Armenian military occupation of surrounding lands in Azerbaijan; Azerbaijan seized part of the enclave during six weeks of fighting in 2020 and the remainder in a short conflict in September 2023; in October 2023, Baku and Yerevan began preliminary discussions on a peace treaty, the demarcation of borders, and full normalization of relations; nevertheless, concerns persist in Armenia that Azerbaijan could invade in order to force the establishment of a transit corridor to the exclave of Naxicvan (Nakhichevan) 

Armenia-Georgia: Georgians restrict Armenian access into Samtse-Javakheti ethnic Armenian areas; Armenia has made no claims to the region

Armenia-Iran: none identified

Armenia-Turkey: as of 2023, Turkey and Armenia were discussing normalizing relations