Orodha ya nchi 10 zaidi duniani zenye idadi kubwa ya watu kuliko nchi nyingine (2000-2015) na Nigeria ikiwa ndio nchi ya pekee kutoka bara la Afrika

NCHI 10 ZENYE IDADI KUWA YA WATU DUNIANI.
#	Country	2000 Population	2010 Population	2015 Population	2050 Expected Pop.
1	China	1,268,853,362	1,330,141,295	1,361,512,535	1,303,723,332
2	India	1,004,124,224	1,173,108,018	1,251,695,584	1,656,553,632
3	United States	282,338,631	310,232,863	321,362,789	439,010,253
4	Indonesia	213,829,469	242,968,342	255,993,674	313,020,847
5	Brazil	176,319,621	201,103,330	204,259,812	260,692,493
6	Pakistan	146,404,914	184,404,791	199,085,847	276,428,758
7	Nigeria	123,178,818	152,217,341	181,562,056	264,262,405
8	Bangladesh	130,406,594	156,118,464	168,957,745	233,587,279
9	Russia	146,709,971	139,390,205	142,423,773	109,187,353
10	Japan	126,729,223	126,804,433	126,919,659	93,673,826
TOP TEN Countries		3,618,894,827	4,016,489,082	4,213,773,474	4,950,140,178
Rest of the World		2,466,012,769	2,829,120,878	3,050,850,319	4,306,202,522
TOTAL World Population		6,084,907,596	6,845,609,960	7,264,623,793	9,256,342,70

Nchi ya pekee kutoka bara la Afrika ni nchi ya Nigeria inaonesha ndio nchi yenye idadi kubwa ya wananchi wake kuliko nchi yeyote ile barani Afrika. Ikiwa na idadi ya watu Mil. 181,562,056.