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Puerto Rico is acquired by the U.S. after Spanish-American War
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Puerto Rico becomes a Territory of the United States
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Puerto Rico becomes a Commonwealth of the United States
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1967 Statehood Referendum with 39% of residents voting in favor of statehood
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1993 Statehood Referendum with 46.3% voting in favor of statehood
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1998 Statehood Referendum with 46.49% voting in favor of statehood
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Period: to
Economic Crisis
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2012 Statehood Referendum with 61.3% voting in favor of statehood
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2017 Statehood Referendum with 97.2% voting in favor of statehood
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Period: to
Numerous Earthquakes
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2020 Statehood Referendum with 52.5% voting in favor of statehood