How Big is Global Insecurity of Tenure?

联合国统计委员会宣布的世界统计日在2015年10月20日庆祝。官方统计对于帮助决策者制定影响数百万人民的知情政策至关重要。改进的数据源，健全的统计方法，新技术和加强的统计系统可以做出更好的决策，最终为我们所有人带来更好的生活。＃STATSDAY15的一条推文强调，“全球70％的人口无法获得正式的土地管理服务，也没有任期安全性”。

This particular statistic both intrigued and worried me since I know the source of the figure.

It intrigued me because I obtained the statistic from Willie Zimmermann who, in conjunction with UN-FAO, took an educated guess at the figure. I then published the statistic with a caveat in my ‘Crowdsourcing Support of Land Administration’ paper in 2011. That statistic has now become a de facto standard that is quoted globally. Most people are surprised by the extent of global insecurity of tenure and the headline figure is very effective at raising awareness and support for global land issues.

However, it also worried me because this statistic is the best that we have. The land sector has not been good at monitoring progress of the global initiatives in fighting insecurity of land governance and tenure, but now there is no hiding. Solving land issues is on the radar of the G8, has been reflected in the adopted Voluntary Guidelines on the Responsible Governance of Tenure and, after a successful lobbying campaign, land is integrated into the post-2015 Sustainable Development Goals (SDGs). This tenuous 70% statistic highlights the challenge for the land sector to design and implement global land indicators and monitoring frameworks associated with land governance and land tenure security that are based on feasible data sources and data collection strategies. Even agreeing a global set of concepts and definitions is problematic!

传统数据来源，例如行政数据，国家人口普查和家庭调查和全球民意调查，以支持国家统计系统的土地指标，目前有限，昂贵，并且通常不会对最脆弱的人进行宣传。需要探索新的，创新的数据来源，以创建一组更全面和有意义的统计数据，这些统计数据在技术上是可行的，在政治上可接受的，并获得了利益相关者的所有权。智能手机，卫星图像，社交媒体和“物联网”在各处不断生成数据，比以往任何时候都更快，更详细。这些技术为土地部门提供了新的测量机会和挑战。

许多创新的土地权限计划正在使用这项新技术，并鼓励公民和社区直接记录其在正式土地管理系统之外的全球平台上的土地权证据。Cadasta Foundation正在开发一个全球平台，以记录和管理众包土地权，而权利资源计划正在创建全球土著和社区土地权利的基准。普遍的智能手机可用于捕捉对未包括官方统计数据中未包括的人群的不安全感的看法。但是，他们在缩小土地信息差距方面的成功取决于说服公民信任这些解决方案并了解参与的好处。信息的隐私和安全性至关重要。如果没有有效管理，这些信息来源将被关闭。

These are the challenges facing the Global Land Indicator Initiative meeting in Nairobi, Kenya, in November 2015 to find solutions to better our de facto 70%.

罗宾·麦克拉伦（Robin McLaren），知道边缘