</factor_modifiers>
<population_levels>
<!-- city -->
<level name="village" base="800" upgrade="8000" min="800" max="16000"/>
<level name="town" base="8000" upgrade="16000" min="1400" max="32000"/>
<level name="large_town" base="16000" upgrade="32000" min="2400" max="64000"/>
<level name="city" base="32000" upgrade="64000" min="3800" max="128000"/>
<level name="large_city" base="64000" upgrade="128000" min="5500" max="256000"/>
<level name="huge_city" base="128000" min="7600" max="512000"/>
<!-- castle -->
<level name="moot_and_bailey" base="600" upgrade="6000" min="600" max="12000"/>
<level name="wooden_castle" base="6000" upgrade="12000" min="600" max="24000"/>
<level name="castle" base="12000" upgrade="24000" min="600" max="48000"/>
<level name="fortress" base="24000" upgrade="48000" min="600" max="96000"/>
<level name="citadel" base="48000" upgrade="96000" min="600" max="192000"/>
</population_levels>