| Data field | Data type | Definition |
| age | integer | The age of an anonymous person |
| workclass | string | The work class of an anonymous person |
| fnlwgt | integer | Independent estimates of the civilian non-institutional population of the US |
| education | string | The highest degree of an anonymous person |
| education_num | integer | Number of years an anonymous person is under education |
| marital_status | string | The marital status of an anonymous person |
| occupation | string | The occupation of an anonymous person |
| relationship | string | The role of an anonymous person in a family |
| race | string | The race of an anonymous person |