| Country | Disputes |
|---|
| Pacific Ocean | some maritime disputes (see littoral states) |
| Pakistan | Kashmir remains the world's largest and most highly militarized territorial dispute with portions under the de facto administration of China (Aksai Chin), India (Jammu and Kashmir), and Pakistan (Azad Kashmir, and Northern Areas), but recent discussions and confidence-building measures among the parties are beginning to defuse tensions; India does not recognize Pakistan's ceding lands to China in 1965 boundary agreement; disputes with Pakistan over Indus River water sharing and the terminus of the Sir Creek Estuary at the mouth of the Rann of Kutch, which prevents maritime boundary delimitation; Pakistani maps continue to show Junagadh claim in India's Gujarat State; despite largely successful UN efforts at voluntary repatriation, thousands of Afghan refugees continue to reside in Pakistan; Pakistan has sent troops into remote tribal areas to control the border with Afghanistan to stem organized terrorist and other illegal cross-border activities; regular meetings with Afghan and coalition allies aim to reso |
| Palau | none |
| Palmyra Atoll | none |
| Panama | none |
| Papua New Guinea | seeks assistance from Australia to control illegal cross-border activities from primarily Indonesia, including smuggling, drug trafficking, and Indonesian squatters and secessionists |
| Paracel Islands | occupied by China, but claimed by Taiwan and Vietnam |
| Paraguay | unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and drug trafficking, and fundraising for extremist organizations |
| Peru | Bolivia has reanimated its claim to restore the Atacama corridor ceded to Chile and adjoining Peru in 1884 to secure sovereign maritime assess for Bolivian natural gas |
| Philippines | involved in complex dispute with China, Malaysia, Taiwan, Vietnam and possibly Brunei over the Spratly Islands, known locally as the Kalayaan (Freedom) Islands, the 2002 "Declaration on the Conduct of Parties in the South China Sea," has eased tensions but falls short of a legally binding "code of conduct" desired by several of the disputants; Philippines retains a claim to Malaysia's Sabah State in northern Borneo based on the Sultanate of Sulu's granting the Philippines Government power of attorney to pursue a sovereignty claim |
| Pitcairn Islands | none |
| Poland | none |
| Portugal | some Portuguese groups assert dormant claims to territories ceded to Spain around the town of Olivenza |
| Puerto Rico | none |
