I predict that by 2020, China will ban foreign men from entering China, except for special cases. The reason is that too many foreign men are marrying Chinese women and that there will be 10-20 million Chinese men who cannot find Chinese wives.
There is a growing awareness among Chinese men that too many Chinese women are marrying foreigners.
China will also encourage foreign women to migrate to China by awarding them with tax credits, education and housing benefits. Foreign women will also be rewarded special status if they marry Chinese men.
If China does not resolve the excess male population problem, China will experience social unrest and crime. There will be more violence, rape, and the prison population will increase. China should also encourage as many men as possible to leave China and seek wives in other countries.
Rich Chinese men, fearing instability, will leave China, taking their wives and daughters with them.
To prevent all these problems, China should ban foreign men and provide financial incentives for foreign women to relocate to China and marry Chinese men.