英国《新科学人》杂志 11 月 18 日文章，原题：全球 4/5 的人口如今居住在城市地区 根据联合国经济和社 会事务部18日发布的《2025年世界城市化展望》报告，全球如今有超过80%的人口生活在城镇或城市 中，这一比例还将继续上升，这凸显出确保城市环境对人类健康和地球都有益的重要性。 2018年联合国发布的《世界城市化前景》报告中写道，全球有55%的人口居住在城市地区，但这一估算 依赖于各国对"城市"与"乡村"截然不同的定义。例如，丹麦将仅有200名居民的定居点视为城市，而日 本的标准则是人口达到5万，这使得全球城市化的整体图景变得模糊不清。 为了获得更清晰的数据，联合国人口事务官员萨拉·赫托格及其团队首次为所有国家统一设定了界定标 准：城市需至少拥有5万人口，人口密度不低于每平方公里1500人；城镇需至少有5000名居民，人口密 度不少于每平方公里300人；其余地区则归类为农村。 梅凯利强调，城市化的一些问题，并非意味着应逆转城市化进程或禁止城市居住。"这份报告告诉我 们，当下亟须思考如何提升城市宜居性。例如增加绿化覆盖，从而获得随之而来的健康效益。" （作者 卡丽莎·王，朱迪译） 城市化进程中，不得不 ...

Core Insights - The trend of young professionals moving from Beijing and Shanghai to Chengdu reflects a shift in lifestyle preferences, emphasizing comfort and community over the hustle culture of first-tier cities [3][21][26] - Chengdu is perceived as a more welcoming and relaxed environment, allowing newcomers to integrate easily without the pressure of constant competition [16][23][25] Group 1: Migration Trends - Many young professionals, previously focused on Beijing and Shanghai, are now relocating to Chengdu for a better quality of life and lower living costs [3][4][11] - The new wave of migrants to Chengdu often seek luxurious living conditions, with many renting high-end apartments at affordable prices compared to their previous cities [4][9][14] Group 2: Lifestyle Changes - The lifestyle in Chengdu is characterized by a more laid-back approach, where individuals prioritize enjoyment and community over relentless work [21][25][26] - Newcomers to Chengdu often experience a cultural shift, moving from a mindset of constant striving to one of enjoying daily life and finding balance [25][29] Group 3: Community and Integration - The influx of new residents has led to a sense of community reminiscent of university life, where social connections are easily formed over shared experiences [7][14][16] - Chengdu's local culture is described as inclusive and non-judgmental, allowing newcomers to feel at home without the pressure of proving themselves [23][26]