The U.S. has many friends, primarily through the NATO alliance, including most of Europe, Canada, and Turkey, plus other key allies like Japan, South Korea, Australia, and Israel, forming strong military, economic, and diplomatic ties, though relationships vary by region, with major partnerships in Europe, the Middle East, and the Indo-Pacific.
These countries include Fiji and Brazil. Under some circumstances Japan and South Korea are also seen to have special relations with the US. A report by an American cites the UK and Canada as the US allies with a familiar cultural atmosphere and trustworthiness, and regionally as the closest countries.
The United States has formal diplomatic relations with most nations. This includes all United Nations members and observer states other than Bhutan, Iran and North Korea, and the UN observer Territory of Palestine. Additionally, the U.S. has diplomatic relations with Kosovo and the European Union.
Canada is the United States' closest friend, their strongest ally, and their biggest customer.
China is a critical trading partner for the United States, but it is also a major competitor. China's harmful and unfair economic practices, including trade in illicit goods, use of forced labor, and theft of sensitive technologies pose risks to U.S. economic interests.
Although China continues to lag the United States in terms of aggregate military hardware and operational skills, it has improved its relative capabilities in many critical areas.
Top 10 Most Powerful Countries In The World 2025
Current foreign adversaries
Summary. France is one of the oldest U.S. allies, dating to 1778 when the French monarchy recognized the independence of the United States. French military and economic assistance during the American War of Independence (1775-81) was crucial to the American victory.
We are ready to participate actively in building and putting in place a pan-European collective security system – in particular during the Vienna talks and the upcoming post-Helsinki-II talks on security and cooperation in Europe. Russia regards the United States and the West not as mere partners but rather as allies.
In his 2014 publication Great Power Peace and American Primacy, Joshua Baron considers China, France, Russia, Germany, Japan, the United Kingdom, and the United States as the current great powers. Italy has been referred to as a great power by a number of academics and commentators throughout the post-WWII era.
Canada is generally considered the most American-friendly due to cultural similarities. The UK, Australia, and the Netherlands are also known for being welcoming to Americans.
President Donald Trump announced that he has formally designated Saudi Arabia as a major non-NATO ally, a move intended to reinforce security and defense cooperation between Washington and Riyadh.
In the early 21st century, Britain affirmed its relationship with the United States as its "most important bilateral partnership" in current British foreign policy, and the American foreign policy affirms its relationship with Britain as its second most important relationship, behind only Canada.
Current treaties
U.S. adversaries, including China, Russia, and Iran, continue to undermine our core institutions, and they are becoming more aggressive and more capable. The economic security threat posed by the PRC cannot be overstated.
Canada is America's closest friend and ally, bound together by geography, history and common values. We're partners in the North Atlantic Treaty Organization, in the North American Aerospace Defense command, and in countless security and intelligence arrangements that keep North Americans safe.
North Korea is the hardest country to get a tourist visa, as the government tightly controls foreign visitors and restricts independent travel. Tourists must join guided tours, follow strict rules, and are closely monitored throughout their visit, making entry extremely difficult compared to most other countries.
The United States is consistently ranked as having the #1 most powerful military in the world for 2025 by organizations like Global Firepower and Business Insider. This ranking stems from its massive defense budget, advanced technology, global power projection, and dominance in air, sea, and cyber warfare, though China has the largest number of active personnel.
After the Cold War
After the dissolution of the Soviet Union in 1991 which ended the Cold War, the post–Cold War world has in the past been considered by some to be a unipolar world, with the United States as the world's sole remaining superpower.
United States. The United States of America is a North American nation that is the world's most dominant economic and military power.
In 2021, Russian Federation major trading partner countries for exports were China, Netherlands, Germany, Turkey and Belarus and for imports they were China, Germany, United States, Belarus and Korea, Rep..
China's "0.1% rule" refers to its October 2025 export controls, requiring licenses for foreign products containing ≥0.1% by value of certain Chinese-origin rare earths or made with controlled Chinese rare earth tech, extending China's jurisdiction extraterritorially to high-tech supply chains like EV magnets and AI chips, impacting global industries by giving Beijing leverage over critical materials. This "de minimis" rule creates significant compliance burdens for foreign firms, potentially halting supply of advanced tech.