Barack Obama received the Nobel Peace Prize in 2009 for his extraordinary efforts to strengthen international diplomacy and cooperation between peoples. The Norwegian Nobel Committee particularly highlighted his vision and work towards a world free of nuclear weapons, his initiatives to renew multilateral diplomacy with an emphasis on the United Nations, and his efforts to foster dialogue and negotiations to resolve conflicts. Obama's outreach to the Muslim world, exemplified by his "A New Beginning" speech in Cairo, and his stance on human rights, democracy, and environmental challenges also contributed to the award. The prize was seen as an encouragement for his ongoing efforts toward peace, not just a recognition of past achievements.
Specifically, the award acknowledged Obama's changes to America's approach in international politics, including renouncing torture, working to close Guantánamo Bay, and planning a responsible withdrawal from Iraq. His efforts in negotiating nuclear arms reductions with Russia and promoting global disarmament were key factors. The Nobel Committee hoped the award would support Obama's foreign policy goals and help sustain momentum toward peace and disarmament.