According to the source, water security is scored in ten components, ranging from water quality and sanitation to availability, resource stability, and climate-related risks.
Each component is given a score out of 10, with a nation's overall water security score calculated from the sum. Countries with a score of 40 or below are considered critically insecure.
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Countries with the lowest water security score worldwide 2023
The Solomon Islands had the most critically insecure water conditions as of 2023, with a water security score of ** points. This was followed by Eritrea and Sudan, with a respective water security level of ** and ** points. Altogether, ** of the ** countries with critically insecure water conditions were located in the Middle East and Africa. Most of the world's population lives under water-insecure conditions.
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Visual Capitalist. (August 11, 2023). Least water-secure countries worldwide as of 2023, based on water security score [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1458147/countries-with-lowest-water-security-score-worldwide/
Visual Capitalist. "Least water-secure countries worldwide as of 2023, based on water security score." Chart. August 11, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1458147/countries-with-lowest-water-security-score-worldwide/
Visual Capitalist. (2023). Least water-secure countries worldwide as of 2023, based on water security score. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1458147/countries-with-lowest-water-security-score-worldwide/
Visual Capitalist. "Least Water-secure Countries Worldwide as of 2023, Based on Water Security Score." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Aug 2023, /statistics/1458147/countries-with-lowest-water-security-score-worldwide/
Visual Capitalist, Least water-secure countries worldwide as of 2023, based on water security score ÌÇÐÄÆƽâ°æ, /statistics/1458147/countries-with-lowest-water-security-score-worldwide/ (last visited July 25, 2026)
Least water-secure countries worldwide as of 2023, based on water security score [Graph], Visual Capitalist, August 11, 2023. [Online]. Available: /statistics/1458147/countries-with-lowest-water-security-score-worldwide/
