ITU‐T's Technical Reports and Specifications 877 I. Environmental sustainability and climate change #Topics #Subtopic #Indicator #Unit of measurement H.2 Sensitivity to natural disasters 39. Critical infrastructure at risk due to inadequate construction or placement in areas of non‐mitigable risk % 40. Percentage of households at risk due to inadequate construction or placement in areas of non‐mitigable risk % Table K.2 – indicators of urban sustainability of ESCI II. Urban sustainability #Topics #Subtopic #Indicator #Unit of measurement I. Land use, planning, and zoning I.1 Density 41. Annual growth rate of the urban footprint % annual 42. (Net) urban population density Residents/km2 I.2 Housing 43. Substandard housing % 44. Quantitative housing shortage % I.3 Green and recreational areas 45. Green area per 100,000 residents hectares/100,000 residents 46. Public recreational area per 100,000 residents hectares/100,000 residents I.4 Land use planning 47. Existence and active implementation of a land use plan Yes/No and implementation 48. Up‐to‐date, legally binding master plan Yes to both criteria/ Yes to only one criterion/No to both criteria J. Urban inequality J.1 Poverty 49. Percentage of the population below the poverty line % J.2 Socio‐spatial segregation 50. Percentage of housing located in informal settlements % J.3 Income inequality 51. Income Gini coefficient K. Mobility/ transportation K.1 Balanced transportation infrastructure 52. Kilometres of road per 100,000 population km 53. Kilometres of roads dedicated exclusively to public transit per 100,000 population km