全球不同国家政治领袖数据

"领导人"指每个国家在每个时间点上最有权力的政治人物，比如国家元首（通常以总统为头衔）、政府首脑（通常以总统为头衔），或者可能是第三个人物。   CnOpenData推出的全球不同国家政治领袖数据，包含 1875 年至 2015 年间 188 个国家/地区领导人的信息，涵盖领导人何时上台、退任时间等字段，以促进相关研究。

The term "Leaders" herein refers to the most powerful political figure of a country at any given time point, including the head of state (typically with the title of President), head of government (also often holding the title of President), or potentially a third category of high-ranking political officials. This global political leader dataset released by CnOpenData covers information on leaders from 188 countries and regions between 1875 and 2015, including fields such as the start and end dates of each leader's tenure, aiming to facilitate relevant academic research.