We have a new report on the protection of human dignity in national constitutional texts, available in the "Reports" section of the website under the "Rights" tab, or directly here. From what we can tell, the concept first appeared in the constitutions of Finland and Estonia in 1919 and spread rapidly after its adoption as a core concept of international human rights law after World War II. Over 70% of constitutions in force in 2000 included the concept. The report contains some samples of different types of references to the dignity concept.
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