Suu Kyi's National League for Democracy (NLD) has so far scooped 80 per cent of elected seats in polls that promise to dramatically redraw the political landscape in a nation stifled for decades under the grip of army rule.
The party sailed past the threshold it needed to secure an absolute parliamentary majority yesterday, giving Suu Kyi and her supporters a massive popular mandate with only a few results still trickling out today.
As the results became clear, parties representing Myanmar's myriad ethnic minority groups emerged as major losers in the vote, taking just ten percent of seats in the combined parliament and losing out to the NLD even in regional legislatures.
He voiced concerns over whether "ethnic voices can be heard" now in the new parliament.
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Suu Kyi, 70, has said her party supports a federal future for Myanmar, where myriad ethnic minority groups have fought decades-long wars for greater political autonomy.
But she was also criticised in the run-up to the polls for failing to reach out to smaller minority parties.
Thein Sein's quasi-civilian government has inked ceasefires with a clutch of ethnic armed groups, but several major conflicts continue, including in Shan state on the eastern border, where the military this week launched airstrikes against ethnic rebels even as votes were counted, according to the United Nations.
Both the army chief Min Aung Hlaing and President Thein Sein, whose reforms have opened the country to the world, have vowed to respect the election result and agreed to hold talks with Nobel laureate Suu Kyi.
She has pledged to rule regardless of a junta-era constitution that bars her from the presidency, a legally uncertain plan that has not been fleshed out by her party.