Table 4. Estimated undiagnosed proportion of HIV infections in Korea by age and gender.

Year	Total	Men	Women	10–19 yr	20–49 yr	50+ yr
2009	77.77	77.54	75.90	65.40	76.33	80.77
2010	72.74	72.28	70.30	62.36	70.77	76.15
2011	66.90	66.19	63.74	58.76	64.39	70.65
2012	60.39	59.59	56.50	54.36	57.72	64.35
2013	53.66	53.30	49.27	48.98	51.85	57.53
2014	47.26	48.09	43.01	42.68	47.77	50.65
2015	41.76	44.35	38.60	35.83	45.64	44.19
2016	37.65	41.84	36.48	29.21	44.80	38.61
2017	35.17	39.88	36.48	24.12	44.21	34.24
2018	34.38	37.76	38.16	21.97	43.09	31.30
2019	35.23	34.97	41.01	23.43	41.00	29.97
2020	37.47	31.05	44.53	27.92	37.63	30.29

Values represent %.

HIV = human immunodeficiency virus.