A Nation Centre for the Prevention of Violence (2010), p.37-41 [60] ANNA Nation Centre for the Prevention of Violence (2010), p.37-41 [61] Front Line (2011) p.6 Son Bias: The male/female sex ratio for the working age population in 2013 is 0.91 while the sex ratio at birth is 1.06.[62] Based on this information, there is no evidence to suggest that Russia is a country of concern in relation to miss