Page 920 - Shaping smarter and more sustainable cities - Striving for sustainable development goals

Top performers' combined mean scores on the math and science components
of an Organisation for Economic Co‐operation and Development (OECD)
assessment of 15 year olds' academic preparedness. Top performers are
Math/science skills
defined as those students who achieved in the top two proficiency levels (Level
attainment
5 and Level 6) on the math and science portions of the test. Comparable
examinations are used wherever possible to place cities not included in the
OECD assessment.
Total miles of metro, tram and light rail track within a city divided by the total
Miles of mass transit
track population and then multiplied by 100,000. Includes monorail and commuter
rail that run within a city if they operate as metros in the city.
Risk of natural disasters occurring in or near a city. Counted hazards include
Natural disaster risk
hurricanes, droughts, earthquakes, floods, landslides and volcanic eruptions.
Number of global 500 Number of global 500 headquarters located in each city.
headquarters
Quantitative assessment of the risks to business profitability in each of the
countries. Assessment accounts for present conditions and expectations for the
coming two years. The operational risk model considers 10 separate risk
Operational risk criteria: security, political stability, government effectiveness, legal and
climate regulatory environment, macroeconomic risks, foreign trade and payment
issues, labour markets, financial risks, tax policy, and standard of local
infrastructure. The model uses 66 variables, of which about one‐third are
quantitative.
Percent of gross Total gross domestic expenditure on research and development in 2007 as a
domestic expenditure
on R&D percentage of the gross domestic product.

Number of people who have completed at least a university‐level education
Percent of population
divided by the total population. A university‐level education is set equivalent to
with higher education
a Bachelor's degree or higher from a US undergraduate institution.
Measure of a nation's relationship with foreign countries, internal stability, law
Political environment
enforcement, limitations on personal freedom and media censorship.
Measure of the comparative relationship between prices and earnings
Purchasing power calculated by dividing net hourly income by the cost of a basket of 122 goods
and services, including rent.
Score based on more than 30 factors across five categories: socio‐political
stability, health care, culture and natural environment, education and
infrastructure. Each city receives a rating of either acceptable, tolerable,
uncomfortable, undesirable or intolerable for each variable. For qualitative
Quality of living
indicators, ratings are awarded based on the Economic Intelligence Unit
analysts' and in city contributors' judgments. For quantitative indicators, ratings
are calculated based on cities' relative performances on a number of external
data points.
Percentage of municipal solid waste diverted from the waste stream to be
Recycled waste
recycled.

910 ITU‐T's Technical Reports and Specifications