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UN OCHA Humanitarian Data Exchange (HDX)

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Global Humanitarian Overview 2025

Published on 4 December 2024

HDX Humanitarian Data ExchangeIn 2025, 305 million people around the world will require urgent humanitarian assistance and protection, as multiple crises escalate with devastating consequences for the people affected by them. The Southern and Eastern Africa region hosts the highest number of people in need (85 million), with the catastrophic crisis in Sudan accounting for 35 per cent of the regional total. This is followed by the Middle East and North Africa, where 59 million people require assistance and protection. While the Syria crisis continues to drive the highest magnitude of needs in the region—with 33 million people requiring assistance and protection inside Syria and in neighbouring countries—the severity of needs is unparalleled in the Occupied Palestinian Territory (OPT) and rapidly rising in Lebanon.
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HDX 1.0: Find, share and use humanitarian data all in one place

May 22, 2016 – We are excited to announce that the Humanitarian Data Exchange (HDX) is coming out of beta. We first introduced HDX at the Open Knowledge Festival in Berlin in July 2014. Two years, 4,000 datasets, and 180,000 users later, we think it is fitting to announce this new milestone at the World Humanitarian Summit in Istanbul.[/text_output][text_output]

HDX combines multiple datasets to explore a crisis

Until today, every dataset on HDX has stood alone. Our users could visually preview a dataset and explore interactive visualizations based on a dataset. But in each case, it was a single dataset, a view of one dimension of a humanitarian crisis. However, humanitarian crises contain many dimensions, and the Humanitarian Data Exchange (HDX) team, as well as our users, have always recognized the need to combine datasets into a broader view of a crisis to support both advocacy and operational decision making.

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HDX Year In Review 2020

The Humanitarian Data Exchange (HDX) saw record growth in 2020 with over 1.3 million people using the platform (compared to 600,000 people in 2019) and over 2.2 million datasets downloaded (compared to 930,000 in 2019). Below I provide a closer look at the most popular datasets and the new organizations that we welcomed to the platform throughout the year.
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