Disclaimer - The datasets are generated through random logic in VBA. These are not real human resource data and should not be used for any other purpose other than testing.
You can download sample csv files ranging from 100 records to 500000 records. These csv files contain data in various formats like Text, Numbers, Date, Time, Percentages which should satisfy your need for testing.
This data set can be categorized under "Human Resources" category.
Below are the fields which appear as part of these csv files as first line.