Most Populous Countries in the World
- United Provinces of China - 1,623,574,000
 
- Hindustani Republic - 507,088,000
 
- Republic of Zanzibar - 303,128,000
 
- United States of America - 292,211,000
 
- Russian Sociocratic Cantonal Republic - 268,351,000
 
- Republic of Bengal - 254,642,000
 
- Republic of Sokoto - 236,248,000
 
- Vietnamese Republic - 163,432,000
 
- Punjabi Republic - 145,121,000
 
- Empire of Maharashtra - 139,035,000
 
- United Meridian States - 136,426,000
 
- Abyssinian Empire - 133,043,000
 
- Persian Republic - 132,371,000
 
- French Republic - 131,324,241
 
- Andhra Workers and Peasants Republic - 96,946,000
 
- Republic of Egypt - 87,311,000
 
- Sociocratic Republic of Tamil Nadu - 84,329,000
 
- Philippine Republic - 83,525,000
 
- Republic of Japan - 83,147,000
 
- British Isles - 82,142,000
 
- Cooperative Republic of Mexico - 79,191,000
 
- Empire of Korea - 76,803,000
 
- Republic of Gujarat - 74,091,000
 
- United Provinces of Buenaventura - 72,162,000
 
- Chokwe Empire - 70,845,000
 
- Empire of the German Nation - 67,315,000
 
Largest Cities in the World
| Rank | 
City | 
Country | 
Type | 
Metropolitan area population | 
City proper population | 
| 1 | 
Lahore | 
Punjabi Republic | 
Metropolitan department | 
38,408,000 | 
32,700,000 | 
| 2 | 
Nanjing | 
United Provinces of China | 
Province | 
36,910,000 | 
34,203,000 | 
| 3 | 
Kolkata | 
Republic of Bengal | 
Consolidated city-county | 
34,899,000 | 
14,915,000 | 
| 4 | 
Ningpo | 
United Provinces of China | 
Municipality | 
27,108,000 | 
13,039,000 | 
| 5 | 
Rio de Janeiro | 
United Meridian States | 
Municipality | 
26,610,000 | 
11,540,000 | 
| 6 | 
Giadinh | 
Vietnamese Republic | 
City-state | 
25,993,000 | 
10,241,000 | 
| 7 | 
Chongqing | 
United Provinces of China | 
Municipality | 
25,013,000 | 
16,887,000 | 
| 8 | 
Paris | 
French Republic | 
Metropolitan department | 
24,677,000 | 
9,715,000 | 
| 9 | 
Moscow | 
Russian Sociocratic Cantonal Republic | 
Metropolitan oblast | 
24,172,000 | 
17,501,000 | 
| 10 | 
New York City | 
United States of America | 
Municipality | 
22,385,000 | 
18,590,000 | 
| 11 | 
Phuxuan | 
Vietnamese Republic | 
Municipality | 
21,017,000 | 
9,219,000 | 
| 12 | 
Constantinople | 
Free City of Constantinople | 
Country | 
20,785,000 | 
20,785,000 | 
| 13 | 
Hanseong | 
Empire of Korea | 
Province | 
20,493,000 | 
8,319,000 | 
| 14 | 
Guangzhou | 
United Provinces of China | 
Municipality | 
20,372,000 | 
14,527,000 | 
| 15 | 
Djakarta | 
Republic of Djakarta | 
Country | 
19,983,000 | 
19,983,000 | 
| 16 | 
Fuzhou | 
United Provinces of China | 
Municipality | 
19,885,000 | 
16,180,000 | 
| 17 | 
Havana | 
Antillean Confederation | 
Metropolitan province | 
19,521,000 | 
9,314,000 | 
| 18 | 
Lagos | 
Republic of Lagos | 
Country | 
19,252,000 | 
19,252,000 | 
| 19 | 
Manila | 
Philippine Republic | 
Municipality | 
19,007,000 | 
13,064,000 | 
| 20 | 
Tehran | 
Persian Republic | 
Metropolitan province | 
18,910,000 | 
12,973,000 | 
| 21 | 
Sokoto | 
Republic of Sokoto | 
Municipality | 
18,683,000 | 
12,064,000 | 
| 22 | 
Edo | 
Republic of Japan | 
Metropolitan department | 
18,342,000 | 
7,621,000 | 
| 23 | 
Namvang | 
Vietnamese Republic | 
Municipality | 
17,992,000 | 
7,238,000 | 
| 24 | 
Mexico City | 
Cooperative Republic of Mexico | 
City-state | 
17,793,000 | 
9,166,000 | 
| 25 | 
Mumbai | 
Empire of Maharashtra | 
City-state | 
17,615,000 | 
10,180,000 | 
| 26 | 
Petrograd | 
Russian Sociocratic Cantonal Republic | 
Metropolitan oblast | 
17,314,000 | 
12,538,000 | 
| 27 | 
Hankou | 
United Provinces of China | 
Municipality | 
17,211,000 | 
10,223,000 | 
| 28 | 
Buenos Aires | 
Platine Sociocratic Cantonal Republic | 
City-state | 
16,981,000 | 
12,731,000 | 
| 29 | 
Cairo | 
Republic of Egypt | 
Metropolitan department | 
16,761,000 | 
10,785,000 | 
| 30 | 
Zamboanga | 
Philippine Republic | 
City-state | 
16,473,000 | 
16,473,000 | 
| 31 | 
Shantou | 
United Provinces of China | 
Municipality | 
16,453,000 | 
7,398,000 | 
| 32 | 
Baroda | 
Republic of Gujarat | 
Municipality | 
16,064,000 | 
8,628,000 | 
| 33 | 
Pune | 
Empire of Maharashtra | 
Municipality | 
16,025,000 | 
9,063,000 | 
| 34 | 
Dali | 
United Provinces of China | 
Municipality | 
15,832,000 | 
9,113,000 | 
| 35 | 
Ilahabad | 
Hindustani Republic | 
Municipality | 
15,528,000 | 
10,319,000 | 
| 36 | 
Murshidabad | 
Republic of Bengal | 
Municipality | 
15,231,000 | 
8,937,000 | 
| 37 | 
Wenzhou | 
United Provinces of China | 
Municipality | 
15,137,000 | 
10,032,000 | 
| 38 | 
St. Louis | 
United States of America | 
Municipality | 
15,038,000 | 
11,121,000 | 
Largest Cities by Country
Tallest freestanding buildings in the world
Largest libraries in the world
Largest empires in human history
| Rank | 
Empire | 
Year | 
Size (million km^2) | 
| 1 | 
Russian Empire | 
1890 | 
25.7 | 
| 2 | 
Mongol Empire | 
1270 | 
24.0 | 
| 3 | 
British Empire | 
1935 | 
20.4 | 
| 4 | 
Qing dynasty | 
1790 | 
14.7 | 
| 5 | 
Spanish Empire | 
1800 | 
13.7 |