Chlamydia, gonorrhea and syphilis in Canada

Chlamydia

Rates of chlamydia have increased by 49% from 2007 to 2016. The following table presents chlamydia rates per 100,000 population by age group.

Table 1. Rates of chlamydia per 100,000 population by age group (2007-2016)^{Footnote 1}

Year	Age group
	15-29	30-59	60+
2007	897	85	3
2008	998	97	3
2009	1,038	104	3
2010	1,107	116	4
2011	1,175	126	4
2012	1,197	137	5
2013	1,181	141	5
2014	1,208	153	6
2015	1,274	171	6
2016	1,309	183	7

Three quarters (76%) of chlamydia infections are among 15-29 year olds (2016)^{Footnote 1}

The following table presents the average annual crude rates of reported chlamydia cases per 100,000 population by province and territory (2012-2016).

Table 2.  Average annual crude rates of reported chlamydia cases per 100,000 population (2012-2016)^{Footnote 1}

Province or Territory	Average crude rate 2012-2016
BC	291
AB	405
SK	530
MB	515
ON	275
QB	281
NB	246
NS	286
PE	173
NL	169
YT	641
NT	2,010
NU	3,809
Canada	314

Gonorrhea

Rates of gonorrhea have increased by 81% from 2007 to 2016. The following table presents gonorrhea rates per 100,000 population by age group.

Table 1. Rates of gonorrhea per 100,000 population by age group (2007-2016)^{Footnote 1}

Year	Age group
	15-29	30-59	60+
2007	119	25	2
2008	128	25	2
2009	112	22	2
2010	112	23	2
2011	115	25	2
2012	125	27	2
2013	131	31	2
2014	143	39	3
2015	168	51	3
2016	191	64	5

More than half (57%) of gonorrhea infections are among 15-29 year olds (2016)^{Footnote 1}.

Multidrug-resistant gonorrhoea is an emerging issue.

The following table presents the average annual crude rates of reported gonorrhea cases per 100,000 population by province and territory (2012-2016).

Table 2.  Average annual crude rates of reported gonorrhea cases per 100,000 population (2012-2016)^{Footnote 1}

Province or Territory	Average crude rate 2012-2016
BC	53
AB	65
SK	104
MB	109
ON	40
QB	41
NB	7
NS	14
PE	6
NL	7
YT	137
NT	618
NU	968
Canada	49

Syphilis

Rates of syphilis have increased by 178% from 2007 to 2016. The following table presents syphilis rates per 100,000 population by age group.

Table 1. Rates of syphilis per 100,000 population by age group (2007-2016)^{Footnote 1}

Year	Age group
	15-29	30-59	60+
2007	4.1	6.4	0.8
2008	5.4	6.7	0.9
2009	6.8	7.3	0.8
2010	6.7	7.8	1.2
2011	7.8	7.7	1.0
2012	9.4	8.7	1.4
2013	10.0	9.3	1.6
2014	9.9	10.6	1.4
2015	13.0	14.0	2.1
2016	15.5	16.7	2.5

The vast majority (92%) of syphilis infections are among men (2016)^{Footnote 1}.

The following table presents the average annual crude rates of reported syphilis cases per 100,000 population by province and territory (2012-2016).

Table 2.  Average annual crude rates of reported syphilis cases per 100,000 population (2012-2016)^{Footnote 1}

Province or Territory	Average crude rate 2012-2016
BC	10.1
AB	5.7
SK	2.8
MB	9.9
ON	7.2
QB	8.7
NB	3.3
NS	5.7
PE	4.2
NL	3.7
YT	1.7
NT	1.4
NU	174.4
Canada	7.7