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Journal of Population Sciences

Table 2 Sex ratio at birth, 1st and 2nd births, by sex of previous children, and country/region of birth of the mother: Sweden, 1980–2015

From: Changes in sex ratio at birth among immigrant groups in Sweden

Country/region

1st birth

2nd birth, first was a boy

2nd birth, first was a girl

Sex ratio

95% C.I.

Sex ratio

95% C.I.

Sex ratio

95% C.I.

Sweden

1.06

(1.06–1.06)

1.06

(1.05–1.06)

1.06

(1.06–1.07)

Iran, Iraq

1.06

(1.03–1.08)

1.06

(1.03–1.10)

1.05

(1.01–1.08)

Former Yugoslavia

1.08

(1.06–1.11)

1.06

(1.03–1.10)

1.05

(1.01–1.09)

Southeast Asia

1.05

(1.02–1.09)

1.06

(1.01–1.12)

1.10

(1.04–1.15)

Horn of Africa

1.04

(1.00–1.07)

1.05

(1.00–1.11)

1.09

(1.04–1.15)

Turkey

1.07

(1.03–1.11)

1.06

(1.00–1.12)

1.06

(1.00–1.12)

Poland

1.06

(1.03–1.10)

1.04

(0.98–1.10)

1.11

(1.04–1.17)

China, Korea, India

1.03

(1.00–1.07)

1.05

(0.98–1.11)

1.06

(1.00–1.13)

Syria

1.08

(1.03–1.13)

1.09

(1.02–1.17)

1.09

(1.02–1.17)

Afghanistan, Pakistan

1.05

(0.99–1.11)

1.06

(0.97–1.17)

1.02

(0.93–1.13)

Rest of Europe

1.06

(1.04–1.08)

1.06

(1.03–1.08)

1.07

(1.04–1.09)

Americas and Oceania

1.05

(1.02–1.08)

1.04

(1.00–1.09)

1.06

(1.01–1.10)

Rest of Asia

1.04

(1.01–1.08)

1.07

(1.02–1.12)

1.04

(0.99–1.09)

Rest of Africa

1.09

(1.05–1.13)

1.07

(1.01–1.12)

1.09

(1.03–1.15)

  1. 95% confidence intervals shown in parentheses. Source: Swedish population register