What are the levels based on?

[nimbus77]

Are they based only on skill points, or also on something else, like number of translated sentences?

[jaiirapetjan]

The levels are only based on points, but most users are interested in learning new skills and getting through the tree. I am learning Swedish right now (from scratch) and after learning new skills I strengthen them a few times so that I've really memorized the vocab before moving on. So my tree is all golden! However,not everybody has the same way of studying or the same goals. For Italian, for example, I was already bilingual so I just do it as one of the ways to keep myself from forgetting the language. I took a progress test and got 5.0/5.0. My tree is all unlocked but multi-colored. I find it really boring to strengthen Italian skills because it's just a typing exercise for me. So you see, neither your level nor your tree is really going to give an accurate picture of your knowledge of a language. Looking at my profile, you'd think my Spanish is better than my Italian, but it's not so at all. To get through the higher levels most people work in immersion, because once you're established at tier 4 or higher, you earn a fair amount of points for your translations. I'll post a summary of the points needed per level below.

[Anglea]

Is there a list somewhere of how many points are needed for each level?

The early levels each only needed 60 or 80 points. I just completed Level 10 - which took 750 points, and now I find Level 11 needs 900 points.

I'd like to get an overview. Is it 10,000 points per level when I get to Level 22?

[applebee]

Did you ever find a list of the points per level?

[jaiirapetjan]

Here's what Olimo, one of Duolingo's nice moderators, managed to gather about levels (level - points to next level - total points by the end of the level):
1 - 60 → 60
2 - 60 → 120
3 - 80 → 200
4 - 100 → 300
5 - 150 → 450
6 - 300 → 750
7 - 375 → 1,125
8 - 525 → 1,650
9 - 600 → 2,250
10 - 750 → 3,000
11 - 900 → 3,900
12 - 1,000 → 4,900
13 - 1,100 → 6,000
14 - 1,500 → 7,500
15 - 1,500 → 9,000
16 - 1,500 → 10,500
17 - 1,500 → 12,000
18 - 1,500 → 13,500
19 - 1,500 → 15,000
20 - 2,000 → 17,000
21 - 2,000 → 19,000
22 - 3,500 → 22,500
23 - 3,500 → 26,000
24 - 4,000 → 30,000
So, for example, I have level 19 in Spanish, I have to earn 1,500 points to get to level 20, and I'll have a total of 15,000 points when I finish level 19 and get to level 20.
After you earn 30,000 points, you are level 25 and your level does not grow anymore, though your total points can continue to grow.

[cdhicks1]

Yeah I reached level 22!

Only 22000 more correct responses ( a minimum) to reach level 25. Lo voy a obtener!

[jaiirapetjan]

Don't you do immersion? I don't see how anyone could get through the higher levels without it. But kudos if you can.

[cdhicks1]

I have tried that stuff, but i am immersed. I live in Belize. English is official language but most folks speak spanish too.

[jaiirapetjan]

Lucky you! I've been as far as a little south of Tulum, omg, it's so gorgeous on the Costa Maya. I heard that an acquaintance of mine moved to Belize. He was rich in California so must live like a King now. How's life there?

[Icarus02]

0 points - Level 1 + 60

60 points - Level 2 + 60

120 points - Level 3 + 80

200 points - Level 4 + 100

300 points - Level 5 + 150

450 points - Level 6 + 300

750 points - Level 7 + 375

1125 points - Level 8 + 525

1650 points - Level 9 + 600

2250 points - Level 10 + 750

3000 points - Level 11 + 900

3900 points - Level 12 + 1000

4900 points - Level 13 + 1100

6000 points - Level 14 + 1500

7500 points - Level 15 + 1500

9000 points - Level 16 + 1500

10500 points - Level 17 + 1500

12000 points - Level 18 + 1500

13500 points - Level 19 + 1500

15000 points - Level 20 + 2000

17000 points - Level 21 + 2000

19000 points - Level 22 + 3500

22500 points - Level 23 + 3500

26000 points - Level 24 + 4000

30000 points - Level 25.........

This seemed an easier way for me to read what you put out there. I am still not sure why they don't just have a continuing level system. Stopping at 25 when you could easily continue the scale on upwards just seems odd.

[Gabrielle_Keller]

Why did Duolingo say I completed Level 12- my Italian tree- where do I find Level 13 to keep going?

[gr00ve88]

Most likely number of points. But I don't know for sure.

[kuoringo]

Edit: Now i think the levels are based on points. it now shows clearly how many points to the next level. And even if i just do the Daily Practice, i get points towards to the next level. but if that is the case, the level itself is rather meaningless. It does not actually show my level. Even if I stop doing any more skills I could still achieve higher level !?

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I believe it is based on the skills (the boxes) that you have "Learned".
People could get to higher level but (relatively) lower points by just gain the "learned" status and then move on to the next skills. I think "learned" a skill is enough to open new skill(s) and climb to higher level. "Master" a skill would gain points only (? ....not sure about this...).
Points are also given by doing just the "Daily practice" which is just a revision exercise.
I think it is good to not to master a skill so quickly after you have learned a skill. It is better to jump back and forth between skills so you get to refresh your skills once in a while. Of course you can always redo the skills, but the motivation is not there once you have completed (mastered) a skill. I don't think many students on earth would pick put their textbooks again once they have passed their exams! :P