某加拿华人网站说中国胃癌世界第一，瞅着中国人好蒙啊。实际上呢，日本人的胃癌都更高。。。

2012 stat:

Rank	Country	Age-Standardised Rate per 100,000 (World)
1	Korea, Republic of	41.8
2	Mongolia	32.5
3	Japan	29.9
4	Guatemala	23.7
5	China	22.7
6	Tajikistan	21.7
7	Kazakhstan	21.6
8	Kyrgyzstan	21.4
9	Albania	20.1
10	Belarus	18.8
11	Turkmenistan	18.2
12	Costa Rica	17.3
13	Bhutan	17.2
14	Honduras	17.0
15	Ecuador	16.9
16	FYR Macedonia	16.5
17	El Salvador	16.4
18	Viet Nam	16.3
19	Russian Federation	16.0
20	Peru	15.8

Source: Ferlay J, Soerjomataram I, Ervik M, Dikshit R, Eser S, Mathers C, Rebelo M, Parkin DM, Forman D, Bray, F. GLOBOCAN 2012 v1.1, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 11 [Internet]. Lyon, France: International Agency for Research on Cancer; 2014. Available from:http://globocan.iarc.fr, accessed on 16/01/2015.

Men

• The Republic of Korea had the highest rate of stomach cancer in 2012, followed by Mongolia and Japan.
• About 72 per cent of stomach cancer cases occurred in less developed countries.
• The highest incidence of stomach cancer was in Asia and Europe; and the lowest incidence in Africa and Northern America.

Rank	Country	Age-Standardised Rate per 100,000 (World)
1	Korea, Republic of	62.3
2	Mongolia	47.4
3	Japan	45.7
4	Kyrgyzstan	35.7
5	Kazakhstan	35.2
6	China	32.8
7	Tajikistan	30.1
8	Belarus	29.1
9	Albania	25.3
10	Russian Federation	24.5
11	Guatemala	24.0
12	Turkmenistan	23.9
13	Armenia	23.7
13	Viet Nam	23.7
15	FYR Macedonia	23.5
16	Chile	23.3
17	Latvia	23.0
17	Bhutan	23.0
19	Lithuania	22.7
20	Ukraine	22.4