We can display up to 2000 records on a page. If more records are there to display we cannot see those through user interface. If you export the records to a excel sheet then you can export all records.
Rows displayed in a report Up to 2,000. To view all the rows, export the report to Excel or use the printable view for tabular and summary reports. For joined reports, export is not available, and the printable view displays a maximum of 20,000 rows.