Campaigns

Olena, 85, stands outside her damaged home in Kharkiv, Ukraine, supported by humanitarian aid after a May 2024 attack.

Olena, 85, is comforted by a humanitarian worker outside her damaged home in Kharkiv, Ukraine. A May 2024 attack claimed her neighbours' lives and shattered nearby windows. With humanitarian aid, including cash assistance, Olena replaced her windows and stayed warm through the winter. Photo: OCHA/Yurii Veres

OCHA campaigns for the rights of people affected by humanitarian crises. We amplify their voices and ensure the humanitarian system is accountable to them. We advocate at the highest levels for effective and principled humanitarian action by all, for all.

87 million lives campaign

An 87-day campaign to rally support from new and existing donors for 87 million people with most severe needs covered by our global humanitarian appeal launched on 8 December 2025.

Four smiling girls wearing bright yellow headscarves sit together and gesture playfully toward the camera in a classroom setting, with other students in matching yellow clothing blurred in the background. A corner title reads 87 Million Lives Campaign.

87 million lives campaign

World Humanitarian Day

World Humanitarian Day observed on 19 August is OCHA's annual flagship campaign that pays tribute to humanitarian workers.

In support of humanitarian efforts, UN personnel and partners display signs to raise awareness about the critical need to protect those on the frontlines of crisis and conflict