## Persons

person_id | first_name | last_name | birthdate
--- | --- | --- | ---
1 | John | Doe | 1980-06-23
2 | Jane | Smith | 1978-09-15

## Regions

region_id | name | population
--- | --- | ---
1 | Region A | 5000000
2 | Region B | 3000000

## LifeExpectancies

id | average_years_of_life | gender_specific_life_expectancy | region_id
--- | --- | --- | ---
|  |  | (→ Regions.region_id)
1 | 75.5 | 73.2 | 1
2 | 78.1 | 75.8 | 2

## Occupations

occupation_id | job_title | industry
--- | --- | ---
1 | Software Engineer | Technology
2 | Teacher | Education

## EducationLevels

education_level_id | level_name | years_of_education
--- | --- | ---
1 | High School Diploma | 12
2 | Bachelor's Degree | 16