1. Moving towards more stable characteristics and typology?
City attributes
Moving towards more stable characteristics and typology?

2. City centre size Total centre population
Centre population inside city boundaries
Centre population inside city boundaries plus centre population closest to city boundary

9. City centre – city – greater city
One centre - one city (+ one greater city)
One centre - multiple cities (+ one greater city)
Multiple centres - multiple cities (+ one greater city)
Cities without a centre

10. What to report Exact centre population Rounded centre population
% of city population in centre
% of centre population in city
City centre Population:
S – M L XL
XXL
Global City >

11. City and Larger Urban Zone
Only city in a larger urban zone
Main city in a larger urban zone
Smaller city in a larger urban zone

12. Proximity to other cities
Only city in a region
Biggest city in a region
Smaller city close to a big city
Measured using driving times isochromes

13. Political function National capital Region capital (NUTS 1) (if used)
Other capital (necessary?)
Other cities

14. Centrally collected data
Population
Air pollution
Access to passenger flights
Access to green urban areas
Access to train, tram and metro stations
Other data from RRGB

15. BBR data on metropolitan areas
Sport stadium
Conference halls
Fortune 500 companies HQs
Operas
NGOs and international organisations
Governments
Banks