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Sister Cities International

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ABOUT

SCI is the oldest and largest global network of volunteer citizen diplomats with the mission to promote peace through mutual respect, understanding, and cooperation…

ONE INDIVIDUAL, ONE COMMUNITY AT A TIME.

ONE INDIVIDUAL, ONE COMMUNITY AT A TIME.

MORE THAN
Members
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Representing over 400 U.S. cities, counties, and states.

DEVELOPED
PARTNERSHIPS
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Engaged with 1800
partnerships worldwide.

REACHING
COUNTRIES
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Active in 136 countries
and growing.

Learn how to become a member of Sister Cities International, our programs and our history.

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