200,000

From TARDIS Index File, the free Doctor Who reference.

[edit] Unknown date

• The Ninth Doctor destroys the Jagrafess, ruler of the Fourth Great and Bountiful Human Empire, which accidentally causes the collapse of the Empire's economy. (DW: The Long Game, Bad Wolf)
• The Dalek Emperor secretly becomes the new ruler of the Fourth Great and Bountiful Human Empire. (DW: Bad Wolf)