Year | Canada (excluding Ontario) | United States | ||||
---|---|---|---|---|---|---|
Number of live births | Twin live births | Number of live births | Twin live births | |||
Number | Rate (95% CI) | Number | Rate (95% CI) | |||
1991 | 250847 | 5027 | 20.0 (19.5-20.6) | 4110907 | 94779 | 23.1 (22.9-23.2) |
1992 | 247898 | 5053 | 20.4 (19.8-20.9) | 4065014 | 95372 | 23.5 (23.3-23.6) |
1993 | 240468 | 4920 | 20.5 (19.9-21.0) | 4000240 | 96445 | 24.1 (24.0-24.3) |
1994 | 238069 | 5013 | 21.1 (20.5-21.6) | 3952767 | 97064 | 24.6 (24.4-24.7) |
1995 | 231813 | 5005 | 21.6 (21.0-22.2) | 3899589 | 96736 | 24.8 (24.7-25.0) |
1996 | 226180 | 5008 | 22.1 (21.5-22.8) | 3891494 | 100750 | 25.9 (25.7-26.0) |
1997 | 215588 | 4975 | 23.1 (22.4-23.7) | 3880894 | 104137 | 26.8 (26.7-27.0) |
1998 | 209795 | 5133 | 24.5 (23.8-25.1) | 3941553 | 110670 | 28.1 (27.9-28.2) |
1999 | 206169 | 5140 | 24.9 (24.3-25.6) | 3959417 | 114307 | 28.9 (28.7-29.0) |
2000 | 200476 | 5117 | 25.5 (24.8-26.2) | 4058814 | 118916 | 29.3 (29.1-29.5) |
2001 | 202036 | 5337 | 26.4 (25.7-27.1) | 4025933 | 121246 | 30.1 (29.9-30.3) |
2002 | 200287 | 5324 | 26.6 (25.9-27.3) | 4021726 | 125134 | 31.1 (30.9-31.3) |
2003 | 204279 | 5753 | 28.2 (27.4-28.9) | 4089950 | 128665 | 31.5 (31.3-31.6) |
2004 | 204521 | 5798 | 28.3 (27.6-29.1) | 4112052 | 132219 | 32.2 (32.0-32.3) |
2005 | 208416 | 5869 | 28.2 (27.5-28.9) | 4138349 | 133122 | 32.2 (32.0-32.3) |
2006 | 219202 | 6665 | 30.4 (29.7-31.1) | 4265555 | 137085 | 32.1 (32.0-32.3) |
2007 | 229428 | 6770 | 29.5 (28.8-30.2) | 4316233 | 138961 | 32.2 (32.0-32.4) |
2008 | 237342 | 6953 | 29.3 (28.6-30.0) | 4247694 | 138660 | 32.6 (32.5-32.8) |
2009 | 240823 | 7564 | 31.4 (30.7-32.1) | 4130665 | 137217 | 33.2 (33.0-33.4) |