Kaja Kallas Kaja Kallas speaking at a press conference in Brussels, 2026. (more) Kaja Kallas prime minister of Estonia Written by Nick Tabor Nick Tabor is a freelance journalist and the author of Africatown: America's Last Slave Ship and the Community It Created. Nick Tabor Fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated June 5, 2026 •History Kaja Kallas (born June 18, 1977, Tallinn, Estonia) is an Estonian politician, the former prime minister of Estonia (2021–24), and the highest ranking diplomat in the European Union (EU) since 2024. Her international profile rose while she was prime minister, as she called on world leaders in 2022 and 2023 to respond forcefully to Russia’s invasion of Ukraine. She also committed significant resources from her country to support the Ukrainian war effort. She took up...

　　.eb-448-paywall-overlay { position: relative; background: white; border: 2px solid #93c5fd; border-radius: 16px; text-align: center; box-shadow: 0 4px 8px 0px #bfdbfe; width: 100%; overflow: hidden; } .eb-448-paywall-overlay-padding { padding: 40px 48px; } .eb-448-paywall-simple { border: 2px solid #93c5fd; } .eb-448-decorative-left-simple, .eb-448-decorative-right-simple { position: absolute; top: 50%; transform: translateY(-50%); } .eb-448-decorative-left-simple { left: 0px; transform: translateY(-50%) scaleX(-1); } .eb-448-paywall-simple .eb-448-decorative-right-simple { right: 0; } .eb-448-paywall-content { position: relative; z-index: 15; } .eb-448-header-section { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 8px; } .eb-448-features { display: flex; justify-content: center; align-items: center; gap: 12px; margin-bottom: 32px; font-size: 14px; color: #525252; } .eb-448-features-simple { color: #6b6b6b; } .eb-448-feature-free-trial { display: flex; align-items: center; gap: 12px; color: black; } .eb-448-feature-secondary { display: flex; align-items: center; gap: 12px; } .eb-448-feature { font-weight: 600; } .eb-448-feature.simple { font-weight: 400; } .eb-448-feature.bold { color: balck; font-weight: 700; } .eb-448-feature.blue { color: #14599d; } .eb-448-divider { color: #cbd5e0; font-weight: 300; } .eb-448-unsubscribe-text { color: #525252; margin-bottom: 8px; font-size: 14px; font-weight: 600; } .eb-448-unsubscribe-text-simple { font-weight: 400; color: #6b6b6b; } .eb-448-decorative-left { position: absolute; top: 0; left: 0; height: 100%; z-index: -1; } .eb-448-decorative-right { position: absolute; right: 0; top: 0; height: 100%; } .eb-448-decorative-image { height: 100%; } .eb-448-decorative-mobile { width: 100%; display: none; img { width: 100%; } } @media (max-width: 672px) { .eb-448-features { gap: 8px; font-size: 12px; } .eb-448-unsubscribe-text { font-size: 12px; } .eb-448-decorative-left, .eb-448-decorative-right { display: none; } .eb-448-decorative-mobile { display: flex; } .eb-448-paywall-overlay-padding { padding: 20px 24px; } .eb-448-features-simple { flex-direction: column; } .eb-448-feature-free-trial .eb-448-divider { display: none; } .eb-448-thistle-icon { filter: blur(2px); } }

　　Discover the world with Britannica Subscribe to Continue Reading Free Trial | No Ads | Exclusive Content Unsubscribe Anytime!

　　Explore Subscriptions