Lorena Lima, 28, has been on hunger strike in Madrid since Friday to demand the opening of the electoral registry abroad for the presidential elections in July. "I am hopeful that we will unite, that a domino effect will emerge," she says.

Of the 8.5 million emigrants spread around the world, at least 5.6 are possible voters, says Súmate. The revolution has never wanted to facilitate the vote of its emigrants, says Lozano.