Sex ratios in Siberia and the Chinese threat

Oct 20, 2014 by

[This post was originally published in April 2012]

sex_ratio_total_population

Maps such as the one on the left reveal a severe demographic imbalance in the sex ratio (the number of males divided by the number of females) in Russia. While few countries in the world have an even gender distribution, Russia experiences a strong female bias, with only 87 men for every 100 women. There are several serious reasons to worry about these numbers. For one thing, many nubile women are not able to find partners, which further threatens the already low fertility rates and may contribute to the growth of “out-of-wedlock” births, abortions, and single parenthood. Another concern focuses on the contrast with China, which has exactly the opposite bias, with over 105 males per 100 females. Given China’s gigantic population, this imbalance translates into more than 34 million surplus males. Russian nationalists fear that many of these marriageable Chinese men could flood across the border into the underpopulated Siberia in search of potential wives, which could eventually shift the cultural – and perhaps even the political – hegemony in Siberia from Russia to China. The Russian distrust for China is deep-rooted, and Chinese economic expansion is feared in areas as far from the Chinese border as St. Petersburg. But how serious is this demographic threat?

To start, let’s consider whether the female bias in Russia is biological or social in nature. Some studies find a biological basis to human sex ratios. Even though Kristen J. Navara admits that “a staggering number of social, economical and physiological variables” affects the human sex ratios, she nonetheless finds, based on data collected from 202 countries over a decade, that latitude strongly influences the ratio of males and females at birth. Specifically, countries in the tropics appear to produce significantly fewer boys (51.1% males) annually than those in the temperate and subarctic belts (51.3%). Given this tendency, we would not expect Russia to have as strong a female bias as it does. But Navara’s conclusion is challenged by other researchers. For example, a study that examined birth records in Siberia’s largest city, Novosibirsk, from 1959 through 2001 showed a curious drop in males born in the last quarter of the year (October through December), meaning that fewer males are conceived in the first quarter (January through March). It is not entirely clear whether this effect is due to cold temperatures or short days, but studies conducted on Siberian hamsters concluded that the length of daylight can skew sex ratios at birth – only more rather than fewer male hamsters were conceived on shorter days. (Of course, one obvious response is that humans are not like hamsters!)

Russian_male_and_female_life_expectancy

One way or another, biological effects on sex ratios are clearest at birth (which is what all the abovementioned studies examined), whereas the biological impact on sex ratios in older age cohorts is much less pronounced, though male life expectancy appears to be universally shorter than that of females. However, in Russia the difference between male and female life expectancy is much more pronounced than in most other countries. As can be seen from the chart on the left, male life expectancy in Russia trails that of females by 12 years.* According to a political economist and demographer Nicholas Eberstadt, Russian figures for male health and life expectancy cannot be compared even to those in Third World countries, “it is in some sense a Fourth World. Russia trails even Ethiopia, Gambia, and Somali”. He also points out that neither the overall level of economic development, nor the specific financial crises of the last two decades can explain the constantly high rate of male mortality. Nor can environmental degradation and the sad state of the health system explain the gap between male and female life expectancy. According to an article published in the British medical journal The Lancet in 2009, one of the main culprits is vodka: up to 600,000 Russians – mostly male – die from alcohol-related causes every year (although scholars such as Dana A. Glei of Georgetown University suggest that consumption of nonbeverage alcohol, including such substances as mouthwash, aftershave lotion, and alcohol-based fuels, has much more severe health consequences than vodka consumption). Unsurprisingly, the shorter life expectancy of men affects gender ratios chiefly in older age cohorts. In fact, as the following series of maps help illustrate, Russia has a normal sex ratio of 105 boys per 100 girls at birth, which persists until the age of 15. As a result, Russia’s female bias obtains only in the “over 15” age cohorts: among those between ages 15 and 64, there are 92 males per 100 females. Among those of retirement age (65 and over), the female bias is even more marked, with a meager 46 men per 100 women!

sex_ratio_birthThe age at which the female bias comes into play can be estimated more precisely from the population pyramid on the right, derived from the 2002 census data: the difference in numbers between males and females, shown in grey, first shows up at the age of 33 and becomes pronounced from the age 40. As recently as 1989, only women aged 47 and up outnumbered men in the corresponding age cohorts, which indicates that unless the trends change, the female bias sex_ratio_under15may soon affect even younger, marriage-age cohorts. So is there any truth in those fears of single Chinese men swarming across the border in search of potential wives? Perhaps not.

 

 

 

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Russia Sex Ratio Map

The maps and charts above aggregate data for the entire Russian Federation. However, the demographic situation is far from being uniform across the vast country. In fact, most Siberia exhibits a higher sex ratio than the national average of 87.15 males per 100 females. The only exceptions to this generalization are the six regions in the highly industrialized southwest: Sverdlovsk, Chelyabinsk, Kurgan, Omsk, Novosibirsk, and Kemerovo oblasts, but even there the ratio of approximately 86 males per 100 females is only just below the national average. In all other parts of Siberia and the Russian Far East, the sex ratio is less skewed, and in some regions –  Yamalo-Nenets Autonomous Okrug, Evenk Autonomous Okrug (of Krasnoyarsk Krai), Kamchatka Krai, and Chukotka Autonomous Okrug – actually have more men than women. The average sex ratio of the four regions bordering China directly – Amur Oblast, Khabarovsk and Primorsky Krais, and the Jewish Autonomous Oblast – is 93.68 males per 100 females, which is significantly higher than the national average. In fact, if only “working age” adults are considered, these four regions boast very high sex ratios, ranging from 106 to 111 men per 100 women. Thus, the concern that large numbers of Chinese men might marry and settle in eastern Russia is unrealistic.

gender_ratios_1897-2010_city_country

Neither Russia’s female bias nor the higher sex ratio in Siberia than in the European Russia are new. A preponderance of women has been observed since the first modern census of 1897, when Russian Empire had the average of 94.52 males per 100 females. As can be seen from the chart on the left, the female bias has been observed in all population groups in all censuses except for the urban population in 1897. The much higher urban sex ratio at the time, 112.99 males per 100 females, stemmed from the fast-paced urbanization and industrialization of the country, with more men than women moving from villages into cities and joining the factory-working proletariat. During the early Soviet period, the female bias grew and the sex ratio went down to 90.25 in 1926 and 89.21 in 1939, as Stalin-era collectivization and purges impacted men much more than women. The peak in the female bias is evident in the first post-World War II census of 1959: the sex ratio had plummeted to just 80.45 males per 100 females, lower than in any Russian region today. Although the female bias has since gone down, it has not yet attained the prewar level.

USSR_occupied_by_Germany

According to Elizabeth Brainerd of the Economics Department of Williams College, the peak in the female bias in 1959 is due to the devastating Soviet population losses during World War II, currently estimated at 27 million or nearly 14% of the prewar population. These losses, Brainerd shows, disproportionately affected young men, significantly influencing marriages, fertility, and health among both men and women in the postwar period. Crucially, however, wartime demographic decline affected the European part of Russia much more than Siberia. A large part of the western Russia (as well as Ukraine, Belarus, and the Baltic states) was under Nazi occupation (see map on the left). While many women and children were evacuated from the occupied zone, most men either stayed behind or were shipped to the front. The military units stationed in the European part of the Soviet Union took a huge hit during the early months of the war. Massive disorganization led to extraordinarily high casualty figures, with the survivors either fleeing to the east or becoming prisoners of war, an experience that few survived. Siberian military units –  which included 400,000 men, 5,000 guns, more than 3,000 tanks – were shifted to the Soviet Union’s Western front only in the late fall of 1941, after Stalin became assured that the Japanese would not attack the Russian Far East. These Siberian units were instrumental in the Red Army’s first counteroffensive at the gates of Moscow and later in turning the tide of war in the streets of Stalingrad. Trained as children to hunt and shoot, Siberians were a force to be reckoned with. “The Siberian… is tougher and stronger and possesses considerably more capacity to resist than his European countrymen,” the Chief of Staff of Germany’s Fourth Army reported ruefully at the time of their retreated from Moscow (quoted in W. Bruce Lincoln’s The Conquest of a Continent. Siberia and the Russians, p. 362). More importantly, Siberian units received better direction from the top of the Soviet military command, which resulted in lower – if still enormous – casualties.

Overall, a higher proportion of Siberian men survived the war than those of European Russia. The factories that were relocated to the Urals and beyond during the war, as well as the growing exploration and exploitation of natural resources in the post-war period, attracted even more men to the east. As a result “marriages” (legal or otherwise) between ‘white’ men and indigenous women became common. This higher wartime survival rate of men in Siberia, along with the post-war influx of men into the region, also had a positive effect on the second-generation (and perhaps beyond). As Brainerd shows, boys born to women in areas of higher sex ratios (Siberia) attain better health and nutritional status than boys born to women in areas of lower sex ratios (European Russia). This interesting finding suggests that sex ratios are to a degree a self-perpetuating phenomenon: having a higher sex ratio in a given area (community, or age cohort) at a given time promotes a higher sex ratio in the same place in the next generation as well, and similarly having a lower sex ratio results a vicious circle, which may be difficult to break.

 

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* Some demographers claim that the real life expectancy figures among men are one to five years higher, and that the corresponding mortality figures are lower. They blame these miscalculations on the imperfect registration of migrant workers, who are not included in the population counts, except for mortality figures, since registration of death is much better organized and accurate than the registration of migration.


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  • John Cowan

    There is also the obvious point that women do not need long-term partners in order to have children, though it does in general improve the likelihood that their children will survive to reproduce.