哪个使馆最有可能提供多次入境申根签证？

也许你会对这个数据感兴趣。这是一个老的数据，它仍然显示了在申根国家获得C签证的难度。葡萄牙和荷兰看起来是最好的选择。[http://ec.europa.eu/dgs/home-affairs/what-we-do/policies/borders-and-visas/visa-policy/docs/overview/of/schengen/visa/statistics/statistics/en.pdf 这里也是2010年的统计资料。您可以看到您的国籍的签证数据。您可以根据您的国籍来选择合适的国家。

目前的答案有点过时了，所以我把【最新的申根签证统计数据】(https://ec.europa.eu/home-affairs/what-we-do/policies/borders-and-visas/visa-policy_en#stats)整理了下图：

+-------------------+---------+-------+-------+-------+
| Country/% of MEVs | Average | 2016 | 2015 | 2014 |
+-------------------+---------+-------+-------+-------+
| Finland | 89,3% | 85,4% | 90,5% | 91,8% |
| Netherlands | 82,1% | 85,0% | 82,9% | 78,4% |
| Luxembourg | 82,0% | 84,7% | 84,1% | 77,2% |
| Slovenia | 79,5% | 45,7% | 99,5% | 93,4% |
| Estonia | 78,3% | 83,2% | 78,4% | 73,4% |
| Poland | 71,2% | 74,8% | 72,5% | 66,4% |
| Italy | 71,1% | 71,5% | 67,2% | 74,7% |
| Slovakia | 69,0% | 69,6% | 64,7% | 72,6% |
| Lithuania | 65,0% | 79,1% | 67,7% | 48,4% |
| Latvia | 60,9% | 71,3% | 59,5% | 52,0% |
| Austria | 60,8% | 56,7% | 58,8% | 66,9% |
| Greece | 59,0% | 75,6% | 56,5% | 44,9% |
| Portugal | 55,4% | 53,8% | 55,8% | 56,6% |
| Belgium | 46,5% | 45,6% | 45,9% | 48,0% |
| Hungary | 45,7% | 51,9% | 45,7% | 39,6% |
| Germany | 44,8% | 82,6% | 27,8% | 23,9% |
| Denmark | 44,3% | 44,8% | 45,3% | 42,8% |
| Switzerland | 41,7% | 43,2% | 40,9% | 40,8% |
| Sweden | 32,7% | 29,2% | 34,7% | 34,1% |
| Malta | 32,5% | 36,8% | 23,5% | 37,1% |
| France | 32,4% | 33,8% | 32,4% | 31,2% |
| Czech Republic | 30,5% | 35,1% | 32,2% | 24,2% |
| Spain | 30,1% | 34,7% | 29,8% | 25,6% |
| Norway | 28,3% | 26,7% | 24,6% | 33,5% |
| Iceland | 14,0% | 12,0% | 18,3% | 11,8% |
+-------------------+---------+-------+-------+-------+

&-001

申请最前面的国家，你很有可能获得多次入境签证，至少在第二次申请时，你会有很大的概率获得多次入境签证。