UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 Demography, meet Big Data; Big Data, meet Demography: Reflections on the Data-Rich Future of Population Science Emmanuel Letouzé Director & Co-Founder, Data-Pop Alliance UNITED NATIONS EXPERT GROUP MEETING ON STRENGTHENING THE DEMOGRAPHIC EVIDENCE BASE FOR THE POST-2015 DEVELOPMENT AGENDA Session on ‘Complementing traditional data sources with alternative acquisition, analytic and visualization approaches to ensure better utilization of data for sustainable development’ United Nations HQ, New York | October 6, 2015 Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 1
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 1—What are we talking about? 2—What has been done? 3—What could / should be done? Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 2
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 1—What are we talking about? 2—What has been done? 3—What could / should be done? Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 3
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 1—What are we talking about? 2—What has been done? 3—What could / should be done? Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 4
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 2009 Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 5
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 Demography is [finally] entering the ‘Data Revolution’ conversation Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 6
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 Source: Martinho and Letouzé (2015) Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 7
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 First things first…what is demography? Demography —from the Greek demo , for people, and graphy , for writing, or analysis, or field of study, is “the study of changes (such as the number of births, deaths, marriages, and illnesses) that occur over a period of time in human populations” , or just “science of population ” 1. http://www.merriam-webster.com/dictionary/demography 2. p://www.demogr.mpg.de/En/education_career/what_is_demography_1908/default.htm Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 8
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 9
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 This is demography Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 10
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 This is demography Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 11
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 This is demography Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 12
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 Demography as / is a (vibrant, complex) discipline Survey, official stats, administrative data.. C h a r a c t e r i z e / m e a s u r e p o p u l a t i o n d y n a m i c s (life tables, indirect estimates,..) Demographic U n d e r s t a n d / a f f e c t tools, methods, p o p u l a t i o n d y n a m i c s principles… (hypothesis, instrumental variables,..to influence Demography policies) community Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 13
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 What is Big Data? From the 3 Vs of big data… Lots of it.. High frequency== From many low temporal sources & geographical granularity Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 14
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 …to the 3 Cs of Big Data as an ecosystem ‘Crumbs’ Crumbs 1. Exhaust data 2. Web content 3. Sensing data Capacities 1. Soft & hardware Capacities 2. Methods & tools 3. Institutional & human Communities 1. Organizations Community 2. Objectives 3. Outputs/venues.. Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 15
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 …to the 3 Cs of Big Data as an ecosystem Crumbs Crumbs 1. Exhaust data 2. Web content 3. Sensing data A s d a t a , b i g d a t a i s n o t p r i m a r i l y a b o u t s i z e ; i t i s : Capacities “ t h e d i g i t a l t r a n s l a t i o n o f h u m a n b e h a v i o r s a n d b e l i e f s p a s s i v e l y e m i t t e d a n d / o r p i c k e d u p b y d i g i t a l d e v i c e s ” Community Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 16
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 …to the 3 Cs of Big Data as an ecosystem Crumbs B i g d a t a a r e “ n o n - s a m p l e d d a t a , c h a r a c t e r i z e d b y t h e c r e a t i o n o f d a t a b a s e s f r o m e l e c t r o n i c s o u r c e s w h o s e p r i m a r y p u r p o s e i s s o m e t h i n g o t h e r t h a n s t a t i s t i c a l i n f e r e n c e . ” M i c h a e l H o r r i g a n , U S B L S Capacities Community Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 17
UN EGM on Strengthening the Demographic Evidence Base For The Post-2015 Development Agenda, New York, 5-6 October 2015 Source: McKinsey Global Institute Session 5. Complementing traditional data sources with alternative acquisition, analytic and visualization approaches: Emmanuel Letouzé (Data-Pop Alliance) – New data sources for population sciences 18
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