{"locations":[{"code":"USA","name":"United States","page":"https://macroscope.is/en/country/united-states/"}],"indicators":[{"id":"time_games","title":"Playing games: time per day","unit":"hours per day, people aged 15+"},{"id":"time_reading","title":"Reading for personal interest: time per day","unit":"hours per day, people aged 15+"},{"id":"time_socializing","title":"Socializing and communicating: time per day","unit":"hours per day, people aged 15+"}],"from_year":1950,"to_year":2100,"sections":[{"id":"dyn","title":"How the indicators changed","items":[{"kind":"dynamics","indicators":["time_games"],"text":"Playing games: time per day: 0.16 hours per day, people aged 15+ in 2003 → 0.4 hours per day, people aged 15+ in 2025 (+0.24 hours per day, people aged 15+). The trend broke around 2016: change sped up (+0.01 → +0.02 a year).","data":{"indicator":"time_games","from":2003,"to":2025,"first":0.16,"last":0.4,"breaks":[{"year":2016,"slope_before":0.00535,"slope_after":0.0178}]}},{"kind":"dynamics","indicators":["time_reading"],"text":"Reading for personal interest: time per day: 0.36 hours per day, people aged 15+ in 2003 → 0.27 hours per day, people aged 15+ in 2025 (−0.09 hours per day, people aged 15+). Peak: 0.38 hours per day, people aged 15+ in 2004; the latest value is 29% lower. The trend broke around 2019: change slowed down (−0.01 → 0 a year).","data":{"indicator":"time_reading","from":2003,"to":2025,"first":0.36,"last":0.27,"peak":{"year":2004,"value":0.38},"breaks":[{"year":2019,"slope_before":-0.00662,"slope_after":-0.000117}]}},{"kind":"dynamics","indicators":["time_socializing"],"text":"Socializing and communicating: time per day: 0.68 hours per day, people aged 15+ in 2003 → 0.52 hours per day, people aged 15+ in 2025 (−0.16 hours per day, people aged 15+). The trend broke around 2013: change sped up (0 → −0.01 a year).","data":{"indicator":"time_socializing","from":2003,"to":2025,"first":0.68,"last":0.52,"breaks":[{"year":2013,"slope_before":-0.00374,"slope_after":-0.0109}]}}]},{"id":"together","title":"What changed at the same time","items":[{"kind":"episode","indicators":["time_games","time_reading","time_socializing"],"text":"The fastest rise of \"Playing games: time per day\" was in 2015–2025: 0.23 hours per day, people aged 15+ → 0.4 hours per day, people aged 15+. Over the same years: reading for personal interest: time per day 0.32 hours per day, people aged 15+ → 0.27 hours per day, people aged 15+; socializing and communicating: time per day 0.61 hours per day, people aged 15+ → 0.52 hours per day, people aged 15+.","data":{"focus":"time_games","from":2015,"to":2025,"start":0.23,"end":0.4,"others":[{"id":"time_reading","from":2015,"to":2025,"start":0.32,"end":0.27},{"id":"time_socializing","from":2015,"to":2025,"start":0.61,"end":0.52}]}}]},{"id":"links","title":"How the indicators relate","items":[{"kind":"relationship","indicators":["time_games","time_reading"],"text":"Playing games: time per day and reading for personal interest: time per day (2003–2025, 22 years): levels are strongly related, in opposite directions (r = −0.83); year-to-year changes show no reliable link (r = −0.16). This looks like a shared trend: both change over time, but not in step from year to year.","data":{"a":"time_games","b":"time_reading","from":2003,"to":2025,"years":22,"r_levels":-0.829,"r_changes":-0.156,"effective_pairs_changes":17,"changes_significant":false,"lag":null}},{"kind":"relationship","indicators":["time_games","time_socializing"],"text":"Playing games: time per day and socializing and communicating: time per day (2003–2025, 22 years): levels are strongly related, in opposite directions (r = −0.97); year-to-year changes are related too (r = −0.56). Changes line up from year to year too, which is more than a shared trend.","data":{"a":"time_games","b":"time_socializing","from":2003,"to":2025,"years":22,"r_levels":-0.966,"r_changes":-0.562,"effective_pairs_changes":18,"changes_significant":true,"lag":null}}]}],"caveat":"Moving together in time does not prove a cause: incomes, cities, education and the era itself act on many indicators at once. These observations suggest where to look, not what causes what.","view_url":"https://macroscope.is/en/chart/?c=USA&i=time_games,time_reading,time_socializing&from=1950&to=2100&past=1","how_to_read":"text: a ready sentence with numbers; data: the same numbers for calculations. The first indicator is the focus the others are compared with. Relationships are checked in levels (r) and in year-to-year changes (r_changes: the changes have their own linear trend removed; significance corrected for autocorrelation); lag is the shift at which changes line up best. UN errors: actual / projected − 1 for population, births and fertility, actual − projected for migration, life expectancy and mothers' age; IMF: actual − forecast. view_url opens the same view on the site."}