As of 2025, the city of Manila in the Philippines is the most densely populated place on Earth with 119,600 people per square mile. These statistics are staggering to say the least, but prior to this, one of the most densely populated places in history was the so-named Kowloon Walled City in Hong Kong. Roughly the size of four American football fields, this makeshift enclave boasted some 33,000 inhabitants and likely more. Tune in this week to find out how such a place came into being and what fate ultimately befell it, right here on the 'History Loves Company' podcast!