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Table 1 Results of previous KP and BP size estimation in Ukraine

From: Size estimation of key populations and ‘bridge populations’ based on the network scale-up method in Ukraine

Year

Definition

Behavior recency

Methods

National estimates

Uncertainty Intervals

PWID, people who injected drugs

2002

No age limit, urban population

-

Multipliers, capture-recapture, expert survey

560,000 [24]

-

2005

Age 13+

 

Multipliers

425,000

325,000-425,000 [25]

2009

Age 16+

past 30 days

Multipliers

357,000

230,000-360,000 [26]

2009

Age 10+

past 12 months

NSUM

358,000

285,000-389,000 [26]

2009

Age 10–19

 

Multipliers, triangulation

50,000 [27]

-

2012

Age 14+

past 30 days

Multipliers

310,000

279,000-388,000 [28]

2015

Age 10–19

 

Multipliers, triangulation

21,700 [27]

-

2016

Age 14+

past 30 days

Multipliers, capture-recapture

346,900

265,200–475,700 [29]

2018

Age 10–19

 

Multipliers, triangulation

6,700 [27]

-

2019

Age 14+

past 30 days

Multipliers, capture-recapture, successive sampling

350,3001, incl. 317,000 in GCA2

265,700 − 474,900 [30]

MSM, men who had anal or oral sex with men

2005

No age limit

 

Multipliers, population survey

300,000

177,000-430,000 [25]

2009

Age 15+

 

Population survey

154,000

95,000-213,000 [26]

2009

Age 10+

past 12 months

NSUM

32,000

23,000–39,000 [26]

2009

Age 10–19

 

Multipliers, triangulation

20,000 [27]

-

2012

Age 14+

past 6 months

Multipliers

175,000

200,100–249,000 [28]

2015

Age 10–19

 

Multipliers, triangulation

11,300 [27]

-

2016

Age 14+

past 6 months

Multipliers, capture-recapture

181,500

88,000-181,500 [29]

2015

Age 10–19

 

Multipliers, triangulation

21,300 [27]

-

2019

Age 14+

past 6 months

Multipliers, capture-recapture, and successive sampling

179,4001, incl. 161,200 in GCA2

126,600 − 240,700 [30]

SW, men or women who provided sexual services

2001

Women, no age limit, urban population

 

Qualitative, triangulation

180,000 [31]

-

2005

Women aged 12+

 

Multipliers, proxy respondent

180,000

110,000-250,000 [25]

2009

Women aged 13+

past 30 days

Multipliers

-

45,000–74,000 [26]

2009

Women aged 10+

past 12 months

NSUM

81,000

65,000–93,000 [26]

2009

Men aged 10+

past 12 months

NSUM

3,700

2,800-5,200 [26]

2009

Men and women aged 10–19

 

Multipliers, triangulation

15,000 [27]

-

2012

Women aged 14+

past 6 months

Multipliers

80,000

54,000–85,800 [28]

2015

Men and women aged 10–19

 

Multipliers, triangulation

6,000 [27]

-

2016

Men and women aged 14+

past 6 months

Multipliers, capture-recapture

80,100

56,800 − 112,300 [29]

2018

Men and women aged 10–19

 

Multipliers, triangulation

5,000 [27]

-

2019

Men and women aged 14+

past 6 months

Multipliers, capture-recapture, and reverse tracking

86,6001, incl. 76,900 in GCA2

48,800 − 113,200 [30]

TP, women or men whose gender identity and gender expression did not align with the sex assigned at birth (incl. without transgender transition)

2020

Age 14+

 

Multipliers, capture-recapture, wisdom of the crowds​ ​

8,200

3,400 − 14,000 [32]

Sexual partners of PWID, men and women who had sex with PWID

2009

Age 10+

 

NSUM

32,000

27,000–39,000 [26]

2009

Age 10+

past 90 days

Multipliers

654,000 [26]

-

Clients of female SW, men who used the sexual services of female SW

2009

Age 10+

 

NSUM

285,000

248,000-322,000 [26]

2009

No age limit

past 7 days

Multipliers

830,000 [26]

-

2009

Men who paid women for sex, no age limit

past 12 days

Population survey

220,000 [26]

-

MSM who have female partners,3men who had sex with both men and women

2009

Age 10+

past 12 months

NSUM

6,200 [26]

-

2009

No age limit

past 6 months

Multipliers

36,000 [26]

-

  1. 1 This includes the entire territory of Ukraine, including donetsk, luhansk regions, and the autonomous republic of crimea not under control of the ukrainian government
  2. 2 GCA - Government-controlled areas
  3. 3 Used as an indirect estimate of the number of female sexual partners of MSM