1. Top 10 Cities of the Year 1000 NamePopulation 1Cordova, Spain450,000 2Kaifeng, China400,000 3Constantinople (Istanbul), Turkey300,000 4Angkor, Cambodia200,000 5Kyoto, Japan175,000 6Cairo, Egypt135,000 7Baghdad, Iraq125,000 8Nishapur (Neyshabur), Iran125,000 9Al-Hasa, Saudi Arabia110,000 10Patan (Anhilwara), India100,000

2. Top 10 Cities of the Year 1500 NamePopulation 1Beijing, China672,000 2Vijayanagar, India500,000 3Cairo, Egypt400,000 4Hangzhou, China250,000 5Tabriz, Iran250,000 6Constantinople (Istanbul), Turkey200,000 7Gaur, India200,000 8Paris, France185,000 9Guangzhou, China150,000 10Nanjing, China147,000

3. Top 10 Cities of the Year 1800 NamePopulation 1Beijing, China1,100,000 2London, United Kingdom861,000 3Guangzhou, China800,000 4Edo (Tokyo), Japan685,000 5Constantinople (Istanbul), Turkey570,000 6Paris, France547,000 7Naples, Italy430,000 8Hangzhou, China387,000 9Osaka, Japan383,000 10Kyoto, Japan377,000

4. Top 10 Cities of the Year 1900 NamePopulation 1London, United Kingdom6,480,000 2New York, United States4,242,000 3Paris, France3,330,000 4Berlin, Germany2,707,000 5Chicago, United States1,717,000 6Vienna, Austria1,698,000 7Tokyo, Japan1,497,000 8St. Petersburg, Russia1,439,000 9Manchester, United Kingdom1,435,000 10Philadelphia, United States1,418,000

5. Top 10 Cities of the Year 1950 NamePopulation 1New York, United States12,463,000 2London, United Kingdom8,860,000 3Tokyo, Japan7,000,000 4Paris, France5,900,000 5Shanghai, China5,406,000 6Moscow, Russia5,100,000 7Buenos Aires, Argentina5,000,000 8Chicago, United States4,906,000 9Ruhr, Germany4,900,000 10Kolkata, India4,800,000

6. Top 10 Cities of the Year 2000 NamePopulation 1Tokoyo, Japan26,400,000 2Mumbai, India18,100,000 Mexico City, Mexico18,100,000 4 Sao Paulo, Brazil 17,800,000 5New York, USA16,600,000 6Lagos, Nigeria13,400,000 7Los Angeles, USA13,100,000 8Shanghai, China12,900,000 Kolkata, India12,900,000 10Buenos Aires, Argentina12,600,000