1998-2017 Belt and Road Initiative countries Fragile States Index and global terrorism attack events

(1)During 1998–2017, the number of events was the highest on Mondays and the lowest on Fridays. In addition, the incidence of events was high between Monday and Thursday but the lowest on Fridays and Saturdays. Meanwhile, the number of events was the largest in January, May, July, and November, and the lowest in June and September; the incidence of terrorist attacks in April to May and July to August is high. (2) Terrorist attacks showed a 10-year cycle during the study period. Terrorist attacks in the last 10 years of the study period were broader in scope and higher in number compared to the previous 10 years. In addition, China, Russia, Saudi Arabia, and northeastern Europe saw many new terrorist attacks during the latter 10 years. (3) The number of terrorist attacks by bombing/explosion was the largest, followed by armed attack; assassination, kidnapping, and infrastructure attacks were the least frequent. The core areas of the terrorist attacks were Iraq, Israel, Afghanistan,...(1) 1998年至2017年间，恐怖袭击事件发生数量在周一达到峰值，周五降至最低。此外，恐怖袭击事件的发生频次在周一至周四区间处于高位，而周五与周六为低点。与此同时，恐怖袭击事件发生数量在1月、5月、7月及11月达到峰值，6月与9月则为最低谷；恐怖袭击的发生频次在4月至5月、7月至8月处于较高水平。 (2) 恐怖袭击在本次研究周期内呈现10年周期规律。相较于研究前期的10年，研究后期的10年中，恐怖袭击的波及范围更广、发生数量更多。此外，中国、俄罗斯、沙特阿拉伯以及北欧东北部地区在研究后期的10年里出现了大量新增恐怖袭击事件。 (3) 以炸弹/爆炸为实施手段的恐怖袭击数量最多，其次为武装袭击；暗杀、绑架以及基础设施袭击的发生频率最低。恐怖袭击的核心发生区域包括伊拉克、以色列、阿富汗……