World Metro Database

#	Opening  >	<  Network length  >	< Stations per line  >	< Stations  >	< Lines  >	< Daily ridership
1	1 Oct 1969	274.7 mi	16.4	262	16	6.74 million
2	10 Apr 1995	271.6 mi	24.7	296	12	6.24 million
3	10 Jan 1863	249.8 mi	24.5	270	11	3.21 million
4	27 Oct 1904	228.7 mi	17.3	468	27	4.53 million
5	15 Aug 1974	202.9 mi	33.6	302	9	6.9 million
6	15 May 1935	192.3 mi	15.5	186	12	6.55 million
7	30 Dec 1927	189.2 mi	22.3	290	13	8.5 million
8	17 Oct 1919	177.9 mi	21.7	282	13	1.74 million
9	28 Jun 1999	144.1 mi	18.3	146	8	5 million
10	19 Jul 1900	135.5 mi	23.9	382	16	4.18 million
11	24 Dec 2002	120.0 mi	23.8	143	6	1.66 million
12	5 Sep 1969	111.9 mi	16.3	195	12	4.41 million
13	28 Dec 2004	110.9 mi	26.2	131	5	362,000
14	1 Oct 1979	108.8 mi	9.5	95	10	3.96 million
15	27 Mar 1976	106.4 mi	18.0	90	5	597,000
16		106.3 mi	14.6	73	5
17	11 Sep 1972	103.7 mi	8.8	44	5	304,000
18	6 Jun 1892	103.2 mi	19.0	152	8	608,000
19	18 Feb 1902	91.6 mi	19.5	195	10	1.38 million
20	7 Nov 1987	91.1 mi	25.0	100	4	2.18 million
21	20 May 1933	85.6 mi	14.8	133	9	2.29 million
22	19 Jul 1985	81.9 mi	25.4	127	5	877,000
23	18 Jun 2005	78.9 mi	21.5	86	4
24	28 Mar 2004	77.0 mi	20.3	81	4	175,000
25	30 Dec 1924	74.2 mi	14.8	163	11	1.07 million
26	15 Nov 1955	70.5 mi	13.4	67	5	2.15 million
27	28 Mar 1996	70.0 mi	13.3	106	8	1.79 million
28	1 Oct 1950	65.7 mi	34.7	104	3	847,000
29	1 Mar 1912	65.1 mi	24.8	99	4	545,000
30	15 Sep 1975	63.6 mi	21.6	108	5	1.75 million
31	19 Oct 1971	58.5 mi	17.0	102	6	986,000
32	15 Nov 1957	57.9 mi	24.3	97	4	1.17 million
33	27 Aug 2005	52.6 mi	28.5	57	2	942,000
34	1 Nov 1964	51.8 mi	31.3	94	3	899,000
35	5 Dec 1999	49.8 mi	14.3	57	4	671,000
36	30 Jun 1979	49.2 mi	19.5	39	2	93,200
37	7 Aug 1980	47.5 mi	30.5	61	2	104,000
38	25 Feb 1978	46.4 mi	20.4	102	5	1.46 million
39	14 Sep 1974	46.2 mi	13.4	67	5	2.4 million
40	31 Jul 1993	45.6 mi	18.5	37	2
41	21 Feb 2000	45.4 mi	17.5	70	4	1.32 million
42	30 Apr 1954	44.3 mi	18.5	74	4	762,000
43	9 Sep 2009	43.3 mi	23.0	46	2	299,000
44	3 Jan 1986	43.2 mi	16.3	49	3	329,000
45	16 Nov 1979	43.0 mi	12.5	50	4	468,000
46	14 Oct 1966	43.0 mi	18.3	73	4	600,000
47	22 Oct 1960	41.1 mi	17.0	51	3	1.42 million
48	27 Sep 1987	40.7 mi	27.5	55	2	2.29 million
49	16 Dec 1996	39.8 mi	20.0	60	3	299,000
50	22 May 1966	38.5 mi	15.4	77	5	208,000
51	4 Mar 1907	38.5 mi	22.0	66	3	293,000
52	1 Sep 1897	37.6 mi	22.0	66	3	403,000
53	27 Mar 1983	37.6 mi	10.0	50	5	1.33 million
54	30 Jan 1993	36.9 mi	10.0	30	3	126,000
55	9 May 1974	36.7 mi	19.0	57	3	1.45 million
56	16 Dec 1972	35.8 mi	16.0	48	3	542,000
57	28 Sep 2004	35.3 mi	24.0	48	2	200,000
58	26 Nov 1997	33.5 mi	28.0	56	2	348,000
59	1954	32.3 mi	18.0	54	3	937,000
60	1 Dec 1984	32.0 mi	14.7	44	3	948,000
61	27 Sep 2010	30.7 mi	20.5	41	2
62	1 Dec 1913	30.6 mi	13.0	78	6	844,000
63	1 May 2003	30.5 mi	12.0	12	1	121,000
64	24 Nov 2012	29.8 mi	31.0	31	1
65	16 Dec 1971	29.8 mi	16.3	49	3	573,000
66	10 Feb 1968	29.2 mi	19.0	38	2	238,000
67	25 Apr 1983	28.3 mi	31.0	62	2	263,000
68	11 Oct 1968	28.0 mi	3.4	51	15
69	9 Mar 2008	28.0 mi	19.0	38	2	142,000
70	29 Dec 1959	27.5 mi	13.8	55	4	501,000
71	11 Nov 1995	27.0 mi	20.0	40	2	247,000
72	23 Nov 2005	26.7 mi	20.0	20	1
73	31 Mar 2001	26.1 mi	24.0	24	1	151,000
74	16 Sep 2000	26.1 mi	14.0	28	2	214,000
75	5 Mar 1979	26.1 mi	17.0	34	2	581,000
76	10 Feb 1955	25.9 mi	26.0	52	2	907,000
77	27 Sep 2010	25.4 mi	18.0	36	2	282,000
78	21 May 1984	24.7 mi	23.0	23	1	49,300
79	11 Mar 1985	24.7 mi	15.0	30	2
80	23 Aug 1975	23.2 mi	9.7	29	3	685,000
81	6 Nov 1977	22.5 mi	9.7	29	3	178,000
82	1 Mar 1972	22.4 mi	16.0	48	3	323,000
83	26 Jun 1984	22.0 mi	14.0	28	2	770,000
84	6 Nov 1967	21.5 mi	11.5	23	2	501,000
85	2 Mar 1985	21.0 mi	17.0	17	1
86	2 May 1896	20.5 mi	14.0	42	3	827,000
87	16 Oct 1977	20.3 mi	8.3	33	4	233,000
88	20 Sep 1976	20.0 mi	20.3	61	3	364,000
89	28 Mar 1993	19.8 mi	10.3	31	3	95,900
90	3 Oct 1988	19.8 mi	12.7	38	3
91	19 Aug 2002	19.6 mi	15.5	31	2
92	25 Apr 1991	19.6 mi	16.0	32	2	378,000
93	1 Apr 1981	19.5 mi	16.0	32	2	345,000
94	28 Jan 1998	19.4 mi	14.0	28	2	79,500
95	15 Mar 1955	19.3 mi	18.0	18	1	16,400
96	28 Apr 1978	19.1 mi	10.8	43	4	704,000
97	13 Mar 1977	19.0 mi	13.0	26	2	332,000
98	26 Jul 1981	18.5 mi	11.7	35	3	340,000
99	6 Oct 1999	18.3 mi	29.0	29	1	244,000
100	17 May 1976	18.3 mi	12.3	37	3
101	30 Nov 1995	17.9 mi	13.0	26	2	466,000
102	1 Aug 1986	17.5 mi	19.0	19	1
103	16 Oct 2004	17.3 mi	10.0	30	3
104	26 Jun 1993	17.1 mi	19.0	38	2	282,000
105	19 Oct 1997	16.8 mi	17.0	17	1
106	16 Sep 2011	16.4 mi	17.0	17	1	162,000
107	11 Jan 1966	16.3 mi	11.0	22	2	241,000
108	29 Apr 2012	16.0 mi	24.0	24	1
109	24 Oct 1984	15.5 mi	23.0	23	1	474,000
110	21 Nov 1983	15.2 mi	14.0	14	1	49,300
111	1 Sep 1989	14.9 mi	14.5	29	2
112	10 Jun 1966	14.9 mi	9.5	19	2
113	30 Aug 1996	14.4 mi	11.5	23	2	310,000
114	16 Mar 2006	14.0 mi	22.0	22	1	104,000
115	7 Apr 1995	14.0 mi	21.0	21	1	384,000
116	6 Sep 1973	14.0 mi	8.0	16	2	98,600
117	18 Jul 2009	13.8 mi	12.0	12	1
118	1926	13.7 mi	4.7	14	3
119	5 Apr 2012	13.7 mi	16.0	16	1
120	26 Nov 1977	13.5 mi	15.0	30	2	205,000
121	7 Dec 2002	13.5 mi	7.5	15	2
122	26 May 1979	13.4 mi	14.5	29	2
123	19 Oct 2002	13.1 mi	11.0	22	2	148,000
124	3 Aug 1982	13.1 mi	17.0	17	1	170,000
125	4 Oct 1968	12.7 mi	10.3	31	3
126	22 Apr 1978	12.7 mi	15.0	15	1
127	5 Oct 1967	12.6 mi	9.0	27	3
128	28 Apr 2004	12.5 mi	20.0	20	1	49,300
129	10 Oct 2011	11.8 mi	22.0	22	1
130	20 Nov 1985	11.7 mi	7.5	15	2	74,000
131	28 Sep 1975	11.6 mi	7.0	21	3
132	20 Aug 1994	11.4 mi	21.0	21	1	49,300
133	28 Jun 2012	11.3 mi	2.0	2	1
134	13 Nov 2010	11.2 mi	9.0	9	1
135	26 Dec 1986	11.2 mi	12.0	12	1
136	2 Apr 2009	11.2 mi	21.0	21	1
137	21 Jun 1976	10.9 mi	5.0	20	4
138	6 Jun 2005	10.7 mi	16.0	16	1	30,100
139	Oct 2002	10.6 mi	16.0	16	1
140	7 Jan 1986	10.2 mi	6.5	13	2	208,000
141	27 Nov 1998	9.9 mi	19.0	19	1
142	22 May 2000	9.9 mi	14.0	14	1	173,000
143	28 Mar 1988	9.6 mi	9.0	18	2
144	15 Jul 1987	9.2 mi	17.0	17	1	159,000
145	30 Jan 2009	9.0 mi	16.0	16	1	79,500
146	11 Jul 1992	8.9 mi	6.5	13	2
147	24 May 1991	8.5 mi	14.5	29	2
148	18 Mar 2009	8.4 mi	13.0	13	1
149	4 Feb 2006	8.3 mi	21.0	21	1	90,400
150	1 Mar 1901	8.3 mi	20.0	20	1
151	22 Dec 2012	8.1 mi	17.0	17	1
152	10 Aug 2003	8.0 mi	15.0	15	1
153	26 Apr 1991	7.9 mi	9.0	9	1	104,000
154	7 Mar 1981	7.5 mi	10.0	10	1	46,600
155	27 Aug 2005	6.8 mi	7.0	7	1	74,000
156	14 Dec 1896	6.5 mi	15.0	15	1	35,600
157	26 Dec 1987	6.3 mi	9.0	9	1	43,800
158	4 Oct 1981	6.0 mi	7.0	14	2
159	3 Nov 1979	5.6 mi	6.5	13	2
160	1 Nov 2011	5.6 mi	10.0	10	1
161	22 Mar 1975	5.6 mi	12.0	12	1
162	16 Mar 2002	5.6 mi	15.0	15	1	129,000
163	9 Jan 1985	5.5 mi	13.0	13	1
164	18 May 1985	5.2 mi	8.0	8	1
165	25 Apr 2007	5.2 mi	9.0	9	1
166	25 Mar 1975	4.7 mi	5.5	11	2
167	15 Sep 2011	4.7 mi	6.0	6	1
168	1 Jan 2011	4.5 mi	7.0	7	1	19,200
169	29 Dec 1995	4.4 mi	6.0	6	1	24,700
170	13 Jun 1990	4.4 mi	8.0	8	1
171	30 May 1989	4.3 mi	6.0	6	1
172	5 Nov 1984	4.2 mi	6.0	6	1
173	3 Mar 1970	4.1 mi	8.0	8	1
174	8 Jun 2009	4.0 mi	6.0	6	1
175	15 Jul 2004	3.9 mi	7.0	7	1
176	18 Oct 2006	3.9 mi	7.0	7	1	57,500
177	1 Mar 1997	3.8 mi	6.0	6	1
178	1 Sep 1984	3.4 mi	9.0	9	1
179	21 Sep 1971	3.2 mi	1.8	7	4
180	Jul 1987	3.0 mi	13.0	13	1
181	3 Jul 1985	3.0 mi	6.0	6	1
182	29 May 1969	2.5 mi		11	0
183	27 Jun 1999	2.4 mi	6.0	6	1
184	29 Jan 2008	1.9 mi	7.0	7	1
185	26 May 1935	1.4 mi	4.0	4	1
186	17 Dec 1994	1.4 mi	5.0	5	1
187	1959	1.1 mi	6.0	6	1