AgeGroups
| ID | Name |
| 1 | 0-9 |
| 2 | 10-19 |
| 3 | 20-29 |
| 4 | 30-39 |
| 5 | 40-49 |
BirthYears
| Year | Number_Of_Births | Crude_Birth_Rate | City |
| 2018 | 1000 | 7.6 | New York |
| 2019 | 1050 | 8.1 | Los Angeles |
| 2020 | 1100 | 8.6 | Chicago |
| 2021 | 1150 | 9.1 | Houston |
| 2022 | 1200 | 9.6 | Phoenix |
Regions
| RegionName | PopulationCount |
| Northeast | 2000000 |
| Midwest | 1500000 |
| South | 1000000 |
| West | 1200000 |
| Other | 500000 |
Cities
| CityName | RegionName |
| (→ Regions.RegionName) |
| New York | Northeast |
| Los Angeles | West |
| Chicago | Midwest |
| Houston | South |
| Phoenix | West |
AgeGroupPopulations
| AgeGroupID | Year | CityName | TotalPopulation |
| (→ AgeGroups.ID) | (→ BirthYears.Year) | (→ Cities.CityName) | |
| 1 | 2018 | New York | 100000 |
| 1 | 2018 | Los Angeles | 80000 |
| 1 | 2018 | Chicago | 70000 |
| 1 | 2018 | Houston | 60000 |
| 1 | 2018 | Phoenix | 50000 |
EducationLevels
| Level | Percentage |
| High School Diploma | 25 |
| Some College | 30 |
| Associate Degree | 10 |
| Bachelor's Degree | 35 |
| Graduate Degree | 15 |
CityEducationStats
| CityName | Level | Percentage |
| (→ Cities.CityName) | (→ EducationLevels.Level) | |
| New York | High School Diploma | 27 |
| Los Angeles | Some College | 32 |
| Chicago | Associate Degree | 11 |
| Houston | Bachelor's Degree | 36 |
| Phoenix | Graduate Degree | 16 |