Mobile phone and population

Merging statistics and

geospatial information

Mojca Merc

• Legal framework & mobile communications market

• Investigation of the data infrastructure and applied technologies

• Data access, transfer, processing, analysis, dissemination

Grant - merging statistics & geospatial information

• Population distribution

• Statistical units

• Hierarchical grids

INSPIRE

JRC: Estimating population density distribution from network-based mobile phone data

Data content

• Data (1 May – 31 October 2014)

- XY co-ordinates of base stations

- anonymised ID of the mobile device

- exact date/time of event (call, SMS)

Spatial dimension

Spatial dimension

Spatial dimension

0

200

400

600

800

1000

1200

Active

Active min 1h/everyday

Inactive

Spatial dimension

Temporal dimension

Difference between the counts of all events and undoubled events per randomly

selected base station

Temporal dimension

Hourly distribution of events generated by occasional visitors in Ljubljana (%)

Population in space and time

• 77% created 184 events and were active 6 months

• 10% created 75% events or more at one BS

• 40% created 50% events or more at one BS

• 47% created 75% events or more in one „Voronoi municipality“

• 82% created 50% events or more in one „Voronoi municipality“

Population in space and time

Population in space and time

Časovno – prostorske analize

Mobile phone users living in Ljubljana from Monday to Friday and their usual

Saturday and Sunday stays.

Residents creating no events in at least 5 consecutive days

Ljubljana.mp4

• Examination of official statistics (population, migration, tourism,

ICT)

• Complement or create new/different statistics

• Permanent data access and business solutions

Current work

Thank you!